Home / 1,112,229,618.60-1,668,344,427.90-854,744,485.80

Finding the Fourth Proportional to 1,112,229,618.60, 1,668,344,427.90 and 854,744,485.80

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Solution

The fourth proportional to 1,112,229,618.60, 1,668,344,427.90 and 854,744,485.80 is: 1,282,116,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,229,618.60 : 1,668,344,427.90 = 854,744,485.80 : x
  2. Step 2: Convert to fraction form
    1,112,229,618.60/1,668,344,427.90 = 854,744,485.80/x
  3. Step 3: Cross multiply
    1,112,229,618.60x = 1,668,344,427.90 × 854,744,485.80
  4. Step 4: Simplify right side
    1,112,229,618.60x = 1,426,008,200,162,680,576
  5. Step 5: Solve for x
    x = 1,426,008,200,162,680,576/1,112,229,618.60
  6. Step 6: Final answer
    x = 1,282,116,728.70

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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.