Home / 731,257,915.80-1,096,970,108.22-265,138,851.06

Finding the Fourth Proportional to 731,257,915.80, 1,096,970,108.22 and 265,138,851.06

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Solution

The fourth proportional to 731,257,915.80, 1,096,970,108.22 and 265,138,851.06 is: 397,738,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,257,915.80 : 1,096,970,108.22 = 265,138,851.06 : x
  2. Step 2: Convert to fraction form
    731,257,915.80/1,096,970,108.22 = 265,138,851.06/x
  3. Step 3: Cross multiply
    731,257,915.80x = 1,096,970,108.22 × 265,138,851.06
  4. Step 4: Simplify right side
    731,257,915.80x = 290,849,394,140,614,656
  5. Step 5: Solve for x
    x = 290,849,394,140,614,656/731,257,915.80
  6. Step 6: Final answer
    x = 397,738,455.69

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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.