Home / 1,306,411,497.60-1,959,617,246.40-530,428,905.60

Finding the Fourth Proportional to 1,306,411,497.60, 1,959,617,246.40 and 530,428,905.60

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Solution

The fourth proportional to 1,306,411,497.60, 1,959,617,246.40 and 530,428,905.60 is: 795,643,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,411,497.60 : 1,959,617,246.40 = 530,428,905.60 : x
  2. Step 2: Convert to fraction form
    1,306,411,497.60/1,959,617,246.40 = 530,428,905.60/x
  3. Step 3: Cross multiply
    1,306,411,497.60x = 1,959,617,246.40 × 530,428,905.60
  4. Step 4: Simplify right side
    1,306,411,497.60x = 1,039,437,631,402,837,632
  5. Step 5: Solve for x
    x = 1,039,437,631,402,837,632/1,306,411,497.60
  6. Step 6: Final answer
    x = 795,643,358.40

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Half scale
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Double scale
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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.