Home / 437,227,940.80-655,747,432.80-191,584,100.80

Finding the Fourth Proportional to 437,227,940.80, 655,747,432.80 and 191,584,100.80

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Solution

The fourth proportional to 437,227,940.80, 655,747,432.80 and 191,584,100.80 is: 287,334,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,227,940.80 : 655,747,432.80 = 191,584,100.80 : x
  2. Step 2: Convert to fraction form
    437,227,940.80/655,747,432.80 = 191,584,100.80/x
  3. Step 3: Cross multiply
    437,227,940.80x = 655,747,432.80 × 191,584,100.80
  4. Step 4: Simplify right side
    437,227,940.80x = 125,630,782,264,896,432
  5. Step 5: Solve for x
    x = 125,630,782,264,896,432/437,227,940.80
  6. Step 6: Final answer
    x = 287,334,752.75

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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.