Home / 1,306,411,489.60-1,959,617,234.40-530,428,897.60

Finding the Fourth Proportional to 1,306,411,489.60, 1,959,617,234.40 and 530,428,897.60

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Solution

The fourth proportional to 1,306,411,489.60, 1,959,617,234.40 and 530,428,897.60 is: 795,643,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,411,489.60 : 1,959,617,234.40 = 530,428,897.60 : x
  2. Step 2: Convert to fraction form
    1,306,411,489.60/1,959,617,234.40 = 530,428,897.60/x
  3. Step 3: Cross multiply
    1,306,411,489.60x = 1,959,617,234.40 × 530,428,897.60
  4. Step 4: Simplify right side
    1,306,411,489.60x = 1,039,437,609,360,752,896
  5. Step 5: Solve for x
    x = 1,039,437,609,360,752,896/1,306,411,489.60
  6. Step 6: Final answer
    x = 795,643,346.40

Related Problems

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Half scale
Find fourth proportional to 2,612,822,979.20, 3,919,234,468.80 and 1,060,857,795.20
Double scale
Find fourth proportional to 1,306,411,490.60, 1,959,617,235.90 and 530,428,898.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.