Home / 718,013,417.38-1,074,811,146.31-468,481,370.86

Finding the Fourth Proportional to 718,013,417.38, 1,074,811,146.31 and 468,481,370.86

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Solution

The fourth proportional to 718,013,417.38, 1,074,811,146.31 and 468,481,370.86 is: 701,280,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,013,417.38 : 1,074,811,146.31 = 468,481,370.86 : x
  2. Step 2: Convert to fraction form
    718,013,417.38/1,074,811,146.31 = 468,481,370.86/x
  3. Step 3: Cross multiply
    718,013,417.38x = 1,074,811,146.31 × 468,481,370.86
  4. Step 4: Simplify right side
    718,013,417.38x = 503,528,999,240,822,464
  5. Step 5: Solve for x
    x = 503,528,999,240,822,464/718,013,417.38
  6. Step 6: Final answer
    x = 701,280,765.87

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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.