Home / 1,324,976,942.70-1,987,559,892.45-404,851,805.10

Finding the Fourth Proportional to 1,324,976,942.70, 1,987,559,892.45 and 404,851,805.10

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Solution

The fourth proportional to 1,324,976,942.70, 1,987,559,892.45 and 404,851,805.10 is: 607,306,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,976,942.70 : 1,987,559,892.45 = 404,851,805.10 : x
  2. Step 2: Convert to fraction form
    1,324,976,942.70/1,987,559,892.45 = 404,851,805.10/x
  3. Step 3: Cross multiply
    1,324,976,942.70x = 1,987,559,892.45 × 404,851,805.10
  4. Step 4: Simplify right side
    1,324,976,942.70x = 804,667,210,202,744,448
  5. Step 5: Solve for x
    x = 804,667,210,202,744,448/1,324,976,942.70
  6. Step 6: Final answer
    x = 607,306,575.89

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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.