Home / 927,331,369.38-1,279,729,767.63-503,953,434.72

Finding the Fourth Proportional to 927,331,369.38, 1,279,729,767.63 and 503,953,434.72

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Solution

The fourth proportional to 927,331,369.38, 1,279,729,767.63 and 503,953,434.72 is: 695,462,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,331,369.38 : 1,279,729,767.63 = 503,953,434.72 : x
  2. Step 2: Convert to fraction form
    927,331,369.38/1,279,729,767.63 = 503,953,434.72/x
  3. Step 3: Cross multiply
    927,331,369.38x = 1,279,729,767.63 × 503,953,434.72
  4. Step 4: Simplify right side
    927,331,369.38x = 644,924,211,910,566,016
  5. Step 5: Solve for x
    x = 644,924,211,910,566,016/927,331,369.38
  6. Step 6: Final answer
    x = 695,462,520.96

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1.5x scale

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.