Home / 418,929,449.94-578,101,274.54-230,753,692.95

Finding the Fourth Proportional to 418,929,449.94, 578,101,274.54 and 230,753,692.95

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Solution

The fourth proportional to 418,929,449.94, 578,101,274.54 and 230,753,692.95 is: 318,428,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,929,449.94 : 578,101,274.54 = 230,753,692.95 : x
  2. Step 2: Convert to fraction form
    418,929,449.94/578,101,274.54 = 230,753,692.95/x
  3. Step 3: Cross multiply
    418,929,449.94x = 578,101,274.54 × 230,753,692.95
  4. Step 4: Simplify right side
    418,929,449.94x = 133,399,003,998,338,448
  5. Step 5: Solve for x
    x = 133,399,003,998,338,448/418,929,449.94
  6. Step 6: Final answer
    x = 318,428,327.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.