Home / 1,117,627,780.54-1,542,256,843.90-615,808,481.88

Finding the Fourth Proportional to 1,117,627,780.54, 1,542,256,843.90 and 615,808,481.88

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Solution

The fourth proportional to 1,117,627,780.54, 1,542,256,843.90 and 615,808,481.88 is: 849,777,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,780.54 : 1,542,256,843.90 = 615,808,481.88 : x
  2. Step 2: Convert to fraction form
    1,117,627,780.54/1,542,256,843.90 = 615,808,481.88/x
  3. Step 3: Cross multiply
    1,117,627,780.54x = 1,542,256,843.90 × 615,808,481.88
  4. Step 4: Simplify right side
    1,117,627,780.54x = 949,734,845,711,099,136
  5. Step 5: Solve for x
    x = 949,734,845,711,099,136/1,117,627,780.54
  6. Step 6: Final answer
    x = 849,777,414.49

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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.