Home / 838,794,851.12-1,258,191,612.15-225,379,076.87

Finding the Fourth Proportional to 838,794,851.12, 1,258,191,612.15 and 225,379,076.87

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Solution

The fourth proportional to 838,794,851.12, 1,258,191,612.15 and 225,379,076.87 is: 338,068,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,794,851.12 : 1,258,191,612.15 = 225,379,076.87 : x
  2. Step 2: Convert to fraction form
    838,794,851.12/1,258,191,612.15 = 225,379,076.87/x
  3. Step 3: Cross multiply
    838,794,851.12x = 1,258,191,612.15 × 225,379,076.87
  4. Step 4: Simplify right side
    838,794,851.12x = 283,570,064,071,944,096
  5. Step 5: Solve for x
    x = 283,570,064,071,944,096/838,794,851.12
  6. Step 6: Final answer
    x = 338,068,436.75

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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.