Home / 437,663,500.80-656,495,251.20-417,508,108.80

Finding the Fourth Proportional to 437,663,500.80, 656,495,251.20 and 417,508,108.80

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Solution

The fourth proportional to 437,663,500.80, 656,495,251.20 and 417,508,108.80 is: 626,262,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,663,500.80 : 656,495,251.20 = 417,508,108.80 : x
  2. Step 2: Convert to fraction form
    437,663,500.80/656,495,251.20 = 417,508,108.80/x
  3. Step 3: Cross multiply
    437,663,500.80x = 656,495,251.20 × 417,508,108.80
  4. Step 4: Simplify right side
    437,663,500.80x = 274,092,090,764,692,960
  5. Step 5: Solve for x
    x = 274,092,090,764,692,960/437,663,500.80
  6. Step 6: Final answer
    x = 626,262,163.20

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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.