Home / 895,425,414.20-1,343,138,121.30-312,966,078.20

Finding the Fourth Proportional to 895,425,414.20, 1,343,138,121.30 and 312,966,078.20

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Solution

The fourth proportional to 895,425,414.20, 1,343,138,121.30 and 312,966,078.20 is: 469,449,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,425,414.20 : 1,343,138,121.30 = 312,966,078.20 : x
  2. Step 2: Convert to fraction form
    895,425,414.20/1,343,138,121.30 = 312,966,078.20/x
  3. Step 3: Cross multiply
    895,425,414.20x = 1,343,138,121.30 × 312,966,078.20
  4. Step 4: Simplify right side
    895,425,414.20x = 420,356,670,304,176,832
  5. Step 5: Solve for x
    x = 420,356,670,304,176,832/895,425,414.20
  6. Step 6: Final answer
    x = 469,449,117.30

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Double scale
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Similar ratio
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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.