Home / 517,782,753.04-714,540,171.72-279,627,917.44

Finding the Fourth Proportional to 517,782,753.04, 714,540,171.72 and 279,627,917.44

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Solution

The fourth proportional to 517,782,753.04, 714,540,171.72 and 279,627,917.44 is: 385,886,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,782,753.04 : 714,540,171.72 = 279,627,917.44 : x
  2. Step 2: Convert to fraction form
    517,782,753.04/714,540,171.72 = 279,627,917.44/x
  3. Step 3: Cross multiply
    517,782,753.04x = 714,540,171.72 × 279,627,917.44
  4. Step 4: Simplify right side
    517,782,753.04x = 199,805,380,145,283,584
  5. Step 5: Solve for x
    x = 199,805,380,145,283,584/517,782,753.04
  6. Step 6: Final answer
    x = 385,886,511.23

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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.