Home / 654,328,627.74-902,976,435.10-356,969,968.78

Finding the Fourth Proportional to 654,328,627.74, 902,976,435.10 and 356,969,968.78

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Solution

The fourth proportional to 654,328,627.74, 902,976,435.10 and 356,969,968.78 is: 492,620,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,328,627.74 : 902,976,435.10 = 356,969,968.78 : x
  2. Step 2: Convert to fraction form
    654,328,627.74/902,976,435.10 = 356,969,968.78/x
  3. Step 3: Cross multiply
    654,328,627.74x = 902,976,435.10 × 356,969,968.78
  4. Step 4: Simplify right side
    654,328,627.74x = 322,335,469,846,722,688
  5. Step 5: Solve for x
    x = 322,335,469,846,722,688/654,328,627.74
  6. Step 6: Final answer
    x = 492,620,154.74

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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.