Home / 417,840,764-576,012,532.40-292,002,266.72

Finding the Fourth Proportional to 417,840,764, 576,012,532.40 and 292,002,266.72

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Solution

The fourth proportional to 417,840,764, 576,012,532.40 and 292,002,266.72 is: 402,538,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,840,764 : 576,012,532.40 = 292,002,266.72 : x
  2. Step 2: Convert to fraction form
    417,840,764/576,012,532.40 = 292,002,266.72/x
  3. Step 3: Cross multiply
    417,840,764x = 576,012,532.40 × 292,002,266.72
  4. Step 4: Simplify right side
    417,840,764x = 168,196,965,119,927,456
  5. Step 5: Solve for x
    x = 168,196,965,119,927,456/417,840,764
  6. Step 6: Final answer
    x = 402,538,429.97

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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.