Home / 709,766,503.19-979,530,793.85-408,444,180.11

Finding the Fourth Proportional to 709,766,503.19, 979,530,793.85 and 408,444,180.11

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Solution

The fourth proportional to 709,766,503.19, 979,530,793.85 and 408,444,180.11 is: 563,683,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,766,503.19 : 979,530,793.85 = 408,444,180.11 : x
  2. Step 2: Convert to fraction form
    709,766,503.19/979,530,793.85 = 408,444,180.11/x
  3. Step 3: Cross multiply
    709,766,503.19x = 979,530,793.85 × 408,444,180.11
  4. Step 4: Simplify right side
    709,766,503.19x = 400,083,651,986,560,704
  5. Step 5: Solve for x
    x = 400,083,651,986,560,704/709,766,503.19
  6. Step 6: Final answer
    x = 563,683,479.27

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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.