Home / 726,625,425.64-1,004,054,755.82-517,418,363.20

Finding the Fourth Proportional to 726,625,425.64, 1,004,054,755.82 and 517,418,363.20

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Solution

The fourth proportional to 726,625,425.64, 1,004,054,755.82 and 517,418,363.20 is: 714,971,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,625,425.64 : 1,004,054,755.82 = 517,418,363.20 : x
  2. Step 2: Convert to fraction form
    726,625,425.64/1,004,054,755.82 = 517,418,363.20/x
  3. Step 3: Cross multiply
    726,625,425.64x = 1,004,054,755.82 × 517,418,363.20
  4. Step 4: Simplify right side
    726,625,425.64x = 519,516,368,319,560,064
  5. Step 5: Solve for x
    x = 519,516,368,319,560,064/726,625,425.64
  6. Step 6: Final answer
    x = 714,971,359.37

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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.