Home / 514,944,892.80-772,417,339.20-491,057,020.80

Finding the Fourth Proportional to 514,944,892.80, 772,417,339.20 and 491,057,020.80

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Solution

The fourth proportional to 514,944,892.80, 772,417,339.20 and 491,057,020.80 is: 736,585,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,944,892.80 : 772,417,339.20 = 491,057,020.80 : x
  2. Step 2: Convert to fraction form
    514,944,892.80/772,417,339.20 = 491,057,020.80/x
  3. Step 3: Cross multiply
    514,944,892.80x = 772,417,339.20 × 491,057,020.80
  4. Step 4: Simplify right side
    514,944,892.80x = 379,300,957,401,815,104
  5. Step 5: Solve for x
    x = 379,300,957,401,815,104/514,944,892.80
  6. Step 6: Final answer
    x = 736,585,531.20

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Double scale
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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.