Home / 868,278,317.58-1,198,221,469.50-471,802,516.86

Finding the Fourth Proportional to 868,278,317.58, 1,198,221,469.50 and 471,802,516.86

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Solution

The fourth proportional to 868,278,317.58, 1,198,221,469.50 and 471,802,516.86 is: 651,086,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,278,317.58 : 1,198,221,469.50 = 471,802,516.86 : x
  2. Step 2: Convert to fraction form
    868,278,317.58/1,198,221,469.50 = 471,802,516.86/x
  3. Step 3: Cross multiply
    868,278,317.58x = 1,198,221,469.50 × 471,802,516.86
  4. Step 4: Simplify right side
    868,278,317.58x = 565,323,905,065,787,712
  5. Step 5: Solve for x
    x = 565,323,905,065,787,712/868,278,317.58
  6. Step 6: Final answer
    x = 651,086,055.73

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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.