Home / 908,107,103.33-1,253,187,754.62-490,419,348.38

Finding the Fourth Proportional to 908,107,103.33, 1,253,187,754.62 and 490,419,348.38

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Solution

The fourth proportional to 908,107,103.33, 1,253,187,754.62 and 490,419,348.38 is: 676,778,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,107,103.33 : 1,253,187,754.62 = 490,419,348.38 : x
  2. Step 2: Convert to fraction form
    908,107,103.33/1,253,187,754.62 = 490,419,348.38/x
  3. Step 3: Cross multiply
    908,107,103.33x = 1,253,187,754.62 × 490,419,348.38
  4. Step 4: Simplify right side
    908,107,103.33x = 614,587,522,018,535,680
  5. Step 5: Solve for x
    x = 614,587,522,018,535,680/908,107,103.33
  6. Step 6: Final answer
    x = 676,778,674.86

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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.