Home / 489,344,261.28-733,904,225.46-139,583,671.80

Finding the Fourth Proportional to 489,344,261.28, 733,904,225.46 and 139,583,671.80

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Solution

The fourth proportional to 489,344,261.28, 733,904,225.46 and 139,583,671.80 is: 209,343,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,344,261.28 : 733,904,225.46 = 139,583,671.80 : x
  2. Step 2: Convert to fraction form
    489,344,261.28/733,904,225.46 = 139,583,671.80/x
  3. Step 3: Cross multiply
    489,344,261.28x = 733,904,225.46 × 139,583,671.80
  4. Step 4: Simplify right side
    489,344,261.28x = 102,441,046,539,241,856
  5. Step 5: Solve for x
    x = 102,441,046,539,241,856/489,344,261.28
  6. Step 6: Final answer
    x = 209,343,512.63

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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.