Home / 1,107,434,145.90-1,661,151,218.85-927,379,310.70

Finding the Fourth Proportional to 1,107,434,145.90, 1,661,151,218.85 and 927,379,310.70

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Solution

The fourth proportional to 1,107,434,145.90, 1,661,151,218.85 and 927,379,310.70 is: 1,391,068,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,434,145.90 : 1,661,151,218.85 = 927,379,310.70 : x
  2. Step 2: Convert to fraction form
    1,107,434,145.90/1,661,151,218.85 = 927,379,310.70/x
  3. Step 3: Cross multiply
    1,107,434,145.90x = 1,661,151,218.85 × 927,379,310.70
  4. Step 4: Simplify right side
    1,107,434,145.90x = 1,540,517,272,305,577,728
  5. Step 5: Solve for x
    x = 1,540,517,272,305,577,728/1,107,434,145.90
  6. Step 6: Final answer
    x = 1,391,068,966.05

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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.