Home / 712,079,076.30-1,068,118,614.45-436,580,061.90

Finding the Fourth Proportional to 712,079,076.30, 1,068,118,614.45 and 436,580,061.90

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Solution

The fourth proportional to 712,079,076.30, 1,068,118,614.45 and 436,580,061.90 is: 654,870,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,079,076.30 : 1,068,118,614.45 = 436,580,061.90 : x
  2. Step 2: Convert to fraction form
    712,079,076.30/1,068,118,614.45 = 436,580,061.90/x
  3. Step 3: Cross multiply
    712,079,076.30x = 1,068,118,614.45 × 436,580,061.90
  4. Step 4: Simplify right side
    712,079,076.30x = 466,319,290,813,123,200
  5. Step 5: Solve for x
    x = 466,319,290,813,123,200/712,079,076.30
  6. Step 6: Final answer
    x = 654,870,092.85

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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.