Home / 880,261,642.20-1,320,392,463.30-472,114,954.20

Finding the Fourth Proportional to 880,261,642.20, 1,320,392,463.30 and 472,114,954.20

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Solution

The fourth proportional to 880,261,642.20, 1,320,392,463.30 and 472,114,954.20 is: 708,172,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,261,642.20 : 1,320,392,463.30 = 472,114,954.20 : x
  2. Step 2: Convert to fraction form
    880,261,642.20/1,320,392,463.30 = 472,114,954.20/x
  3. Step 3: Cross multiply
    880,261,642.20x = 1,320,392,463.30 × 472,114,954.20
  4. Step 4: Simplify right side
    880,261,642.20x = 623,377,027,336,904,704
  5. Step 5: Solve for x
    x = 623,377,027,336,904,704/880,261,642.20
  6. Step 6: Final answer
    x = 708,172,431.30

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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.