Home / 857,000,520.97-1,181,465,215.65-574,793,392.55

Finding the Fourth Proportional to 857,000,520.97, 1,181,465,215.65 and 574,793,392.55

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Solution

The fourth proportional to 857,000,520.97, 1,181,465,215.65 and 574,793,392.55 is: 792,413,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,000,520.97 : 1,181,465,215.65 = 574,793,392.55 : x
  2. Step 2: Convert to fraction form
    857,000,520.97/1,181,465,215.65 = 574,793,392.55/x
  3. Step 3: Cross multiply
    857,000,520.97x = 1,181,465,215.65 × 574,793,392.55
  4. Step 4: Simplify right side
    857,000,520.97x = 679,098,399,477,373,568
  5. Step 5: Solve for x
    x = 679,098,399,477,373,568/857,000,520.97
  6. Step 6: Final answer
    x = 792,413,053.27

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1.5x scale

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.