Home / 932,279,206.40-1,398,222,854.40-471,784,486.40

Finding the Fourth Proportional to 932,279,206.40, 1,398,222,854.40 and 471,784,486.40

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Solution

The fourth proportional to 932,279,206.40, 1,398,222,854.40 and 471,784,486.40 is: 707,577,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,279,206.40 : 1,398,222,854.40 = 471,784,486.40 : x
  2. Step 2: Convert to fraction form
    932,279,206.40/1,398,222,854.40 = 471,784,486.40/x
  3. Step 3: Cross multiply
    932,279,206.40x = 1,398,222,854.40 × 471,784,486.40
  4. Step 4: Simplify right side
    932,279,206.40x = 659,659,851,235,846,016
  5. Step 5: Solve for x
    x = 659,659,851,235,846,016/932,279,206.40
  6. Step 6: Final answer
    x = 707,577,565.51

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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.