Home / 1,526,131,305.80-2,289,364,920.30-490,816,003.40

Finding the Fourth Proportional to 1,526,131,305.80, 2,289,364,920.30 and 490,816,003.40

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Solution

The fourth proportional to 1,526,131,305.80, 2,289,364,920.30 and 490,816,003.40 is: 736,278,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,131,305.80 : 2,289,364,920.30 = 490,816,003.40 : x
  2. Step 2: Convert to fraction form
    1,526,131,305.80/2,289,364,920.30 = 490,816,003.40/x
  3. Step 3: Cross multiply
    1,526,131,305.80x = 2,289,364,920.30 × 490,816,003.40
  4. Step 4: Simplify right side
    1,526,131,305.80x = 1,123,656,940,505,805,568
  5. Step 5: Solve for x
    x = 1,123,656,940,505,805,568/1,526,131,305.80
  6. Step 6: Final answer
    x = 736,278,022.89

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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.