Home / 489,758,189.25-734,953,339.01-178,839,773.24

Finding the Fourth Proportional to 489,758,189.25, 734,953,339.01 and 178,839,773.24

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Solution

The fourth proportional to 489,758,189.25, 734,953,339.01 and 178,839,773.24 is: 268,375,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,758,189.25 : 734,953,339.01 = 178,839,773.24 : x
  2. Step 2: Convert to fraction form
    489,758,189.25/734,953,339.01 = 178,839,773.24/x
  3. Step 3: Cross multiply
    489,758,189.25x = 734,953,339.01 × 178,839,773.24
  4. Step 4: Simplify right side
    489,758,189.25x = 131,438,888,487,301,600
  5. Step 5: Solve for x
    x = 131,438,888,487,301,600/489,758,189.25
  6. Step 6: Final answer
    x = 268,375,070.34

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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.