Home / 1,601,338,539.70-2,402,007,809.55-981,465,757.30

Finding the Fourth Proportional to 1,601,338,539.70, 2,402,007,809.55 and 981,465,757.30

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Solution

The fourth proportional to 1,601,338,539.70, 2,402,007,809.55 and 981,465,757.30 is: 1,472,198,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,338,539.70 : 2,402,007,809.55 = 981,465,757.30 : x
  2. Step 2: Convert to fraction form
    1,601,338,539.70/2,402,007,809.55 = 981,465,757.30/x
  3. Step 3: Cross multiply
    1,601,338,539.70x = 2,402,007,809.55 × 981,465,757.30
  4. Step 4: Simplify right side
    1,601,338,539.70x = 2,357,488,413,840,504,832
  5. Step 5: Solve for x
    x = 2,357,488,413,840,504,832/1,601,338,539.70
  6. Step 6: Final answer
    x = 1,472,198,635.95

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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.