Home / 1,088,691,921.70-1,633,037,882.55-629,526,897.70

Finding the Fourth Proportional to 1,088,691,921.70, 1,633,037,882.55 and 629,526,897.70

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Solution

The fourth proportional to 1,088,691,921.70, 1,633,037,882.55 and 629,526,897.70 is: 944,290,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,691,921.70 : 1,633,037,882.55 = 629,526,897.70 : x
  2. Step 2: Convert to fraction form
    1,088,691,921.70/1,633,037,882.55 = 629,526,897.70/x
  3. Step 3: Cross multiply
    1,088,691,921.70x = 1,633,037,882.55 × 629,526,897.70
  4. Step 4: Simplify right side
    1,088,691,921.70x = 1,028,041,272,028,278,528
  5. Step 5: Solve for x
    x = 1,028,041,272,028,278,528/1,088,691,921.70
  6. Step 6: Final answer
    x = 944,290,346.55

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Half scale
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Double scale
Find fourth proportional to 1,088,691,922.70, 1,633,037,884.05 and 629,526,898.70
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.