Home / 1,320,202,475.94-1,821,482,117.10-791,373,508.44

Finding the Fourth Proportional to 1,320,202,475.94, 1,821,482,117.10 and 791,373,508.44

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Solution

The fourth proportional to 1,320,202,475.94, 1,821,482,117.10 and 791,373,508.44 is: 1,091,857,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,202,475.94 : 1,821,482,117.10 = 791,373,508.44 : x
  2. Step 2: Convert to fraction form
    1,320,202,475.94/1,821,482,117.10 = 791,373,508.44/x
  3. Step 3: Cross multiply
    1,320,202,475.94x = 1,821,482,117.10 × 791,373,508.44
  4. Step 4: Simplify right side
    1,320,202,475.94x = 1,441,472,693,570,146,048
  5. Step 5: Solve for x
    x = 1,441,472,693,570,146,048/1,320,202,475.94
  6. Step 6: Final answer
    x = 1,091,857,286.92

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Double scale
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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.