Home / 288,586,432.24-398,238,603.22-156,424,591.18

Finding the Fourth Proportional to 288,586,432.24, 398,238,603.22 and 156,424,591.18

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Solution

The fourth proportional to 288,586,432.24, 398,238,603.22 and 156,424,591.18 is: 215,860,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,586,432.24 : 398,238,603.22 = 156,424,591.18 : x
  2. Step 2: Convert to fraction form
    288,586,432.24/398,238,603.22 = 156,424,591.18/x
  3. Step 3: Cross multiply
    288,586,432.24x = 398,238,603.22 × 156,424,591.18
  4. Step 4: Simplify right side
    288,586,432.24x = 62,294,310,700,782,736
  5. Step 5: Solve for x
    x = 62,294,310,700,782,736/288,586,432.24
  6. Step 6: Final answer
    x = 215,860,150.52

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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.