Home / 399,274,543.20-597,904,045.20-262,217,877.60

Finding the Fourth Proportional to 399,274,543.20, 597,904,045.20 and 262,217,877.60

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Solution

The fourth proportional to 399,274,543.20, 597,904,045.20 and 262,217,877.60 is: 392,664,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,274,543.20 : 597,904,045.20 = 262,217,877.60 : x
  2. Step 2: Convert to fraction form
    399,274,543.20/597,904,045.20 = 262,217,877.60/x
  3. Step 3: Cross multiply
    399,274,543.20x = 597,904,045.20 × 262,217,877.60
  4. Step 4: Simplify right side
    399,274,543.20x = 156,781,129,740,798,464
  5. Step 5: Solve for x
    x = 156,781,129,740,798,464/399,274,543.20
  6. Step 6: Final answer
    x = 392,664,978.05

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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.