Home / 626,893,314.80-940,339,972.20-454,004,841.20

Finding the Fourth Proportional to 626,893,314.80, 940,339,972.20 and 454,004,841.20

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Solution

The fourth proportional to 626,893,314.80, 940,339,972.20 and 454,004,841.20 is: 681,007,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,893,314.80 : 940,339,972.20 = 454,004,841.20 : x
  2. Step 2: Convert to fraction form
    626,893,314.80/940,339,972.20 = 454,004,841.20/x
  3. Step 3: Cross multiply
    626,893,314.80x = 940,339,972.20 × 454,004,841.20
  4. Step 4: Simplify right side
    626,893,314.80x = 426,918,899,752,673,408
  5. Step 5: Solve for x
    x = 426,918,899,752,673,408/626,893,314.80
  6. Step 6: Final answer
    x = 681,007,261.80

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Double scale
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Similar ratio
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1.5x scale

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.