Home / 869,017,366.24-1,199,098,578.75-511,856,255.90

Finding the Fourth Proportional to 869,017,366.24, 1,199,098,578.75 and 511,856,255.90

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Solution

The fourth proportional to 869,017,366.24, 1,199,098,578.75 and 511,856,255.90 is: 706,275,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,017,366.24 : 1,199,098,578.75 = 511,856,255.90 : x
  2. Step 2: Convert to fraction form
    869,017,366.24/1,199,098,578.75 = 511,856,255.90/x
  3. Step 3: Cross multiply
    869,017,366.24x = 1,199,098,578.75 × 511,856,255.90
  4. Step 4: Simplify right side
    869,017,366.24x = 613,766,108,973,986,304
  5. Step 5: Solve for x
    x = 613,766,108,973,986,304/869,017,366.24
  6. Step 6: Final answer
    x = 706,275,999.56

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Double scale
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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.