Home / 489,967,702.20-676,155,121.02-269,951,126.04

Finding the Fourth Proportional to 489,967,702.20, 676,155,121.02 and 269,951,126.04

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Solution

The fourth proportional to 489,967,702.20, 676,155,121.02 and 269,951,126.04 is: 372,532,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,967,702.20 : 676,155,121.02 = 269,951,126.04 : x
  2. Step 2: Convert to fraction form
    489,967,702.20/676,155,121.02 = 269,951,126.04/x
  3. Step 3: Cross multiply
    489,967,702.20x = 676,155,121.02 × 269,951,126.04
  4. Step 4: Simplify right side
    489,967,702.20x = 182,528,836,297,061,472
  5. Step 5: Solve for x
    x = 182,528,836,297,061,472/489,967,702.20
  6. Step 6: Final answer
    x = 372,532,384.23

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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.