Home / 868,619,570.10-1,198,703,524.20-472,142,314.95

Finding the Fourth Proportional to 868,619,570.10, 1,198,703,524.20 and 472,142,314.95

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Solution

The fourth proportional to 868,619,570.10, 1,198,703,524.20 and 472,142,314.95 is: 651,561,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,619,570.10 : 1,198,703,524.20 = 472,142,314.95 : x
  2. Step 2: Convert to fraction form
    868,619,570.10/1,198,703,524.20 = 472,142,314.95/x
  3. Step 3: Cross multiply
    868,619,570.10x = 1,198,703,524.20 × 472,142,314.95
  4. Step 4: Simplify right side
    868,619,570.10x = 565,958,656,854,511,360
  5. Step 5: Solve for x
    x = 565,958,656,854,511,360/868,619,570.10
  6. Step 6: Final answer
    x = 651,561,024.34

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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.