Home / 431,167,525.29-646,756,474.29-120,256,209.73

Finding the Fourth Proportional to 431,167,525.29, 646,756,474.29 and 120,256,209.73

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Solution

The fourth proportional to 431,167,525.29, 646,756,474.29 and 120,256,209.73 is: 180,385,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,167,525.29 : 646,756,474.29 = 120,256,209.73 : x
  2. Step 2: Convert to fraction form
    431,167,525.29/646,756,474.29 = 120,256,209.73/x
  3. Step 3: Cross multiply
    431,167,525.29x = 646,756,474.29 × 120,256,209.73
  4. Step 4: Simplify right side
    431,167,525.29x = 77,776,482,216,453,584
  5. Step 5: Solve for x
    x = 77,776,482,216,453,584/431,167,525.29
  6. Step 6: Final answer
    x = 180,385,761.11

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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.