Home / 356,292,328.90-534,438,493.35-321,854,952.10

Finding the Fourth Proportional to 356,292,328.90, 534,438,493.35 and 321,854,952.10

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Solution

The fourth proportional to 356,292,328.90, 534,438,493.35 and 321,854,952.10 is: 482,782,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292,328.90 : 534,438,493.35 = 321,854,952.10 : x
  2. Step 2: Convert to fraction form
    356,292,328.90/534,438,493.35 = 321,854,952.10/x
  3. Step 3: Cross multiply
    356,292,328.90x = 534,438,493.35 × 321,854,952.10
  4. Step 4: Simplify right side
    356,292,328.90x = 172,011,675,677,560,448
  5. Step 5: Solve for x
    x = 172,011,675,677,560,448/356,292,328.90
  6. Step 6: Final answer
    x = 482,782,428.15

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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.