Home / 469,919,041.98-647,667,416.79-344,204,154.78

Finding the Fourth Proportional to 469,919,041.98, 647,667,416.79 and 344,204,154.78

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Solution

The fourth proportional to 469,919,041.98, 647,667,416.79 and 344,204,154.78 is: 474,400,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,919,041.98 : 647,667,416.79 = 344,204,154.78 : x
  2. Step 2: Convert to fraction form
    469,919,041.98/647,667,416.79 = 344,204,154.78/x
  3. Step 3: Cross multiply
    469,919,041.98x = 647,667,416.79 × 344,204,154.78
  4. Step 4: Simplify right side
    469,919,041.98x = 222,929,815,774,747,904
  5. Step 5: Solve for x
    x = 222,929,815,774,747,904/469,919,041.98
  6. Step 6: Final answer
    x = 474,400,472.97

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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.