Home / 1,419,957,418.50-2,129,835,112.65-437,281,489.98

Finding the Fourth Proportional to 1,419,957,418.50, 2,129,835,112.65 and 437,281,489.98

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Solution

The fourth proportional to 1,419,957,418.50, 2,129,835,112.65 and 437,281,489.98 is: 655,891,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,957,418.50 : 2,129,835,112.65 = 437,281,489.98 : x
  2. Step 2: Convert to fraction form
    1,419,957,418.50/2,129,835,112.65 = 437,281,489.98/x
  3. Step 3: Cross multiply
    1,419,957,418.50x = 2,129,835,112.65 × 437,281,489.98
  4. Step 4: Simplify right side
    1,419,957,418.50x = 931,337,471,471,313,280
  5. Step 5: Solve for x
    x = 931,337,471,471,313,280/1,419,957,418.50
  6. Step 6: Final answer
    x = 655,891,126.97

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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.