Home / 417,485,947.74-576,230,948.19-238,973,317.35

Finding the Fourth Proportional to 417,485,947.74, 576,230,948.19 and 238,973,317.35

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Solution

The fourth proportional to 417,485,947.74, 576,230,948.19 and 238,973,317.35 is: 329,840,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,485,947.74 : 576,230,948.19 = 238,973,317.35 : x
  2. Step 2: Convert to fraction form
    417,485,947.74/576,230,948.19 = 238,973,317.35/x
  3. Step 3: Cross multiply
    417,485,947.74x = 576,230,948.19 × 238,973,317.35
  4. Step 4: Simplify right side
    417,485,947.74x = 137,703,821,248,700,288
  5. Step 5: Solve for x
    x = 137,703,821,248,700,288/417,485,947.74
  6. Step 6: Final answer
    x = 329,840,613.78

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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.