Home / 415,100,076.66-572,844,915.11-247,850,951.45

Finding the Fourth Proportional to 415,100,076.66, 572,844,915.11 and 247,850,951.45

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Solution

The fourth proportional to 415,100,076.66, 572,844,915.11 and 247,850,951.45 is: 342,038,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,100,076.66 : 572,844,915.11 = 247,850,951.45 : x
  2. Step 2: Convert to fraction form
    415,100,076.66/572,844,915.11 = 247,850,951.45/x
  3. Step 3: Cross multiply
    415,100,076.66x = 572,844,915.11 × 247,850,951.45
  4. Step 4: Simplify right side
    415,100,076.66x = 141,980,157,241,063,376
  5. Step 5: Solve for x
    x = 141,980,157,241,063,376/415,100,076.66
  6. Step 6: Final answer
    x = 342,038,378.75

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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.