Home / 1,116,921,755.75-1,541,333,217.87-615,177,263.30

Finding the Fourth Proportional to 1,116,921,755.75, 1,541,333,217.87 and 615,177,263.30

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Solution

The fourth proportional to 1,116,921,755.75, 1,541,333,217.87 and 615,177,263.30 is: 848,934,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,921,755.75 : 1,541,333,217.87 = 615,177,263.30 : x
  2. Step 2: Convert to fraction form
    1,116,921,755.75/1,541,333,217.87 = 615,177,263.30/x
  3. Step 3: Cross multiply
    1,116,921,755.75x = 1,541,333,217.87 × 615,177,263.30
  4. Step 4: Simplify right side
    1,116,921,755.75x = 948,193,150,794,942,464
  5. Step 5: Solve for x
    x = 948,193,150,794,942,464/1,116,921,755.75
  6. Step 6: Final answer
    x = 848,934,265.91

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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.