Home / 649,269,360.90-974,512,902.15-342,781,431.30

Finding the Fourth Proportional to 649,269,360.90, 974,512,902.15 and 342,781,431.30

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Solution

The fourth proportional to 649,269,360.90, 974,512,902.15 and 342,781,431.30 is: 514,493,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,269,360.90 : 974,512,902.15 = 342,781,431.30 : x
  2. Step 2: Convert to fraction form
    649,269,360.90/974,512,902.15 = 342,781,431.30/x
  3. Step 3: Cross multiply
    649,269,360.90x = 974,512,902.15 × 342,781,431.30
  4. Step 4: Simplify right side
    649,269,360.90x = 334,044,927,419,293,824
  5. Step 5: Solve for x
    x = 334,044,927,419,293,824/649,269,360.90
  6. Step 6: Final answer
    x = 514,493,594.70

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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.