Home / 715,969,707.31-1,074,116,144.40-218,024,766.46

Finding the Fourth Proportional to 715,969,707.31, 1,074,116,144.40 and 218,024,766.46

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Solution

The fourth proportional to 715,969,707.31, 1,074,116,144.40 and 218,024,766.46 is: 327,086,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,969,707.31 : 1,074,116,144.40 = 218,024,766.46 : x
  2. Step 2: Convert to fraction form
    715,969,707.31/1,074,116,144.40 = 218,024,766.46/x
  3. Step 3: Cross multiply
    715,969,707.31x = 1,074,116,144.40 × 218,024,766.46
  4. Step 4: Simplify right side
    715,969,707.31x = 234,183,921,533,725,664
  5. Step 5: Solve for x
    x = 234,183,921,533,725,664/715,969,707.31
  6. Step 6: Final answer
    x = 327,086,354.55

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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.