Home / 862,252,758.11-1,293,360,462.92-240,451,398.47

Finding the Fourth Proportional to 862,252,758.11, 1,293,360,462.92 and 240,451,398.47

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Solution

The fourth proportional to 862,252,758.11, 1,293,360,462.92 and 240,451,398.47 is: 360,671,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,252,758.11 : 1,293,360,462.92 = 240,451,398.47 : x
  2. Step 2: Convert to fraction form
    862,252,758.11/1,293,360,462.92 = 240,451,398.47/x
  3. Step 3: Cross multiply
    862,252,758.11x = 1,293,360,462.92 × 240,451,398.47
  4. Step 4: Simplify right side
    862,252,758.11x = 310,990,332,031,486,400
  5. Step 5: Solve for x
    x = 310,990,332,031,486,400/862,252,758.11
  6. Step 6: Final answer
    x = 360,671,890.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.