Home / 1,344,762,008.10-2,017,143,012.15-825,508,721.70

Finding the Fourth Proportional to 1,344,762,008.10, 2,017,143,012.15 and 825,508,721.70

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Solution

The fourth proportional to 1,344,762,008.10, 2,017,143,012.15 and 825,508,721.70 is: 1,238,263,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,762,008.10 : 2,017,143,012.15 = 825,508,721.70 : x
  2. Step 2: Convert to fraction form
    1,344,762,008.10/2,017,143,012.15 = 825,508,721.70/x
  3. Step 3: Cross multiply
    1,344,762,008.10x = 2,017,143,012.15 × 825,508,721.70
  4. Step 4: Simplify right side
    1,344,762,008.10x = 1,665,169,149,446,034,176
  5. Step 5: Solve for x
    x = 1,665,169,149,446,034,176/1,344,762,008.10
  6. Step 6: Final answer
    x = 1,238,263,082.55

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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.