Home / 1,123,719,272.40-1,685,578,908.60-1,100,761,021.20

Finding the Fourth Proportional to 1,123,719,272.40, 1,685,578,908.60 and 1,100,761,021.20

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Solution

The fourth proportional to 1,123,719,272.40, 1,685,578,908.60 and 1,100,761,021.20 is: 1,651,141,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,719,272.40 : 1,685,578,908.60 = 1,100,761,021.20 : x
  2. Step 2: Convert to fraction form
    1,123,719,272.40/1,685,578,908.60 = 1,100,761,021.20/x
  3. Step 3: Cross multiply
    1,123,719,272.40x = 1,685,578,908.60 × 1,100,761,021.20
  4. Step 4: Simplify right side
    1,123,719,272.40x = 1,855,419,560,743,717,376
  5. Step 5: Solve for x
    x = 1,855,419,560,743,717,376/1,123,719,272.40
  6. Step 6: Final answer
    x = 1,651,141,531.80

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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.