Home / 868,472,949.27-1,198,501,928.15-471,995,959.32

Finding the Fourth Proportional to 868,472,949.27, 1,198,501,928.15 and 471,995,959.32

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Solution

The fourth proportional to 868,472,949.27, 1,198,501,928.15 and 471,995,959.32 is: 651,359,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,472,949.27 : 1,198,501,928.15 = 471,995,959.32 : x
  2. Step 2: Convert to fraction form
    868,472,949.27/1,198,501,928.15 = 471,995,959.32/x
  3. Step 3: Cross multiply
    868,472,949.27x = 1,198,501,928.15 × 471,995,959.32
  4. Step 4: Simplify right side
    868,472,949.27x = 565,688,067,321,668,992
  5. Step 5: Solve for x
    x = 565,688,067,321,668,992/868,472,949.27
  6. Step 6: Final answer
    x = 651,359,455.46

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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.