Home / 705,087,489.60-1,057,631,234.40-187,516,929.60

Finding the Fourth Proportional to 705,087,489.60, 1,057,631,234.40 and 187,516,929.60

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Solution

The fourth proportional to 705,087,489.60, 1,057,631,234.40 and 187,516,929.60 is: 281,275,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,087,489.60 : 1,057,631,234.40 = 187,516,929.60 : x
  2. Step 2: Convert to fraction form
    705,087,489.60/1,057,631,234.40 = 187,516,929.60/x
  3. Step 3: Cross multiply
    705,087,489.60x = 1,057,631,234.40 × 187,516,929.60
  4. Step 4: Simplify right side
    705,087,489.60x = 198,323,761,723,745,888
  5. Step 5: Solve for x
    x = 198,323,761,723,745,888/705,087,489.60
  6. Step 6: Final answer
    x = 281,275,394.40

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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.