Home / 1,344,762,006.85-2,017,143,010.28-825,508,720.45

Finding the Fourth Proportional to 1,344,762,006.85, 2,017,143,010.28 and 825,508,720.45

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Solution

The fourth proportional to 1,344,762,006.85, 2,017,143,010.28 and 825,508,720.45 is: 1,238,263,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,762,006.85 : 2,017,143,010.28 = 825,508,720.45 : x
  2. Step 2: Convert to fraction form
    1,344,762,006.85/2,017,143,010.28 = 825,508,720.45/x
  3. Step 3: Cross multiply
    1,344,762,006.85x = 2,017,143,010.28 × 825,508,720.45
  4. Step 4: Simplify right side
    1,344,762,006.85x = 1,665,169,145,380,904,192
  5. Step 5: Solve for x
    x = 1,665,169,145,380,904,192/1,344,762,006.85
  6. Step 6: Final answer
    x = 1,238,263,080.68

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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.