Home / 742,150,608.86-1,024,187,840.46-436,644,965.42

Finding the Fourth Proportional to 742,150,608.86, 1,024,187,840.46 and 436,644,965.42

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Solution

The fourth proportional to 742,150,608.86, 1,024,187,840.46 and 436,644,965.42 is: 602,581,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,150,608.86 : 1,024,187,840.46 = 436,644,965.42 : x
  2. Step 2: Convert to fraction form
    742,150,608.86/1,024,187,840.46 = 436,644,965.42/x
  3. Step 3: Cross multiply
    742,150,608.86x = 1,024,187,840.46 × 436,644,965.42
  4. Step 4: Simplify right side
    742,150,608.86x = 447,206,464,175,858,304
  5. Step 5: Solve for x
    x = 447,206,464,175,858,304/742,150,608.86
  6. Step 6: Final answer
    x = 602,581,819.43

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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.