Home / 418,929,449.82-578,101,274.37-230,753,692.82

Finding the Fourth Proportional to 418,929,449.82, 578,101,274.37 and 230,753,692.82

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Solution

The fourth proportional to 418,929,449.82, 578,101,274.37 and 230,753,692.82 is: 318,428,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,929,449.82 : 578,101,274.37 = 230,753,692.82 : x
  2. Step 2: Convert to fraction form
    418,929,449.82/578,101,274.37 = 230,753,692.82/x
  3. Step 3: Cross multiply
    418,929,449.82x = 578,101,274.37 × 230,753,692.82
  4. Step 4: Simplify right side
    418,929,449.82x = 133,399,003,886,270,768
  5. Step 5: Solve for x
    x = 133,399,003,886,270,768/418,929,449.82
  6. Step 6: Final answer
    x = 318,428,327.12

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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.