Home / 472,123,782.45-651,531,447.42-260,425,837.71

Finding the Fourth Proportional to 472,123,782.45, 651,531,447.42 and 260,425,837.71

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Solution

The fourth proportional to 472,123,782.45, 651,531,447.42 and 260,425,837.71 is: 359,388,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,123,782.45 : 651,531,447.42 = 260,425,837.71 : x
  2. Step 2: Convert to fraction form
    472,123,782.45/651,531,447.42 = 260,425,837.71/x
  3. Step 3: Cross multiply
    472,123,782.45x = 651,531,447.42 × 260,425,837.71
  4. Step 4: Simplify right side
    472,123,782.45x = 169,675,622,988,762,304
  5. Step 5: Solve for x
    x = 169,675,622,988,762,304/472,123,782.45
  6. Step 6: Final answer
    x = 359,388,002.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.