Home / 482,443,729.98-721,839,410.15-285,812,677.94

Finding the Fourth Proportional to 482,443,729.98, 721,839,410.15 and 285,812,677.94

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Solution

The fourth proportional to 482,443,729.98, 721,839,410.15 and 285,812,677.94 is: 427,637,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,443,729.98 : 721,839,410.15 = 285,812,677.94 : x
  2. Step 2: Convert to fraction form
    482,443,729.98/721,839,410.15 = 285,812,677.94/x
  3. Step 3: Cross multiply
    482,443,729.98x = 721,839,410.15 × 285,812,677.94
  4. Step 4: Simplify right side
    482,443,729.98x = 206,310,854,852,563,264
  5. Step 5: Solve for x
    x = 206,310,854,852,563,264/482,443,729.98
  6. Step 6: Final answer
    x = 427,637,135.76

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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.