Home / 420,129,294.56-579,239,498.45-344,496,963.83

Finding the Fourth Proportional to 420,129,294.56, 579,239,498.45 and 344,496,963.83

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Solution

The fourth proportional to 420,129,294.56, 579,239,498.45 and 344,496,963.83 is: 474,963,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,129,294.56 : 579,239,498.45 = 344,496,963.83 : x
  2. Step 2: Convert to fraction form
    420,129,294.56/579,239,498.45 = 344,496,963.83/x
  3. Step 3: Cross multiply
    420,129,294.56x = 579,239,498.45 × 344,496,963.83
  4. Step 4: Simplify right side
    420,129,294.56x = 199,546,248,546,436,992
  5. Step 5: Solve for x
    x = 199,546,248,546,436,992/420,129,294.56
  6. Step 6: Final answer
    x = 474,963,900.71

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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.