Home / 1,107,315,073.80-1,660,972,610.70-1,090,096,385.40

Finding the Fourth Proportional to 1,107,315,073.80, 1,660,972,610.70 and 1,090,096,385.40

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Solution

The fourth proportional to 1,107,315,073.80, 1,660,972,610.70 and 1,090,096,385.40 is: 1,635,144,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,315,073.80 : 1,660,972,610.70 = 1,090,096,385.40 : x
  2. Step 2: Convert to fraction form
    1,107,315,073.80/1,660,972,610.70 = 1,090,096,385.40/x
  3. Step 3: Cross multiply
    1,107,315,073.80x = 1,660,972,610.70 × 1,090,096,385.40
  4. Step 4: Simplify right side
    1,107,315,073.80x = 1,810,620,239,172,471,552
  5. Step 5: Solve for x
    x = 1,810,620,239,172,471,552/1,107,315,073.80
  6. Step 6: Final answer
    x = 1,635,144,578.10

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Half scale
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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.