Home / 526,627,961.56-727,235,098.86-394,239,118.60

Finding the Fourth Proportional to 526,627,961.56, 727,235,098.86 and 394,239,118.60

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Solution

The fourth proportional to 526,627,961.56, 727,235,098.86 and 394,239,118.60 is: 544,415,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,627,961.56 : 727,235,098.86 = 394,239,118.60 : x
  2. Step 2: Convert to fraction form
    526,627,961.56/727,235,098.86 = 394,239,118.60/x
  3. Step 3: Cross multiply
    526,627,961.56x = 727,235,098.86 × 394,239,118.60
  4. Step 4: Simplify right side
    526,627,961.56x = 286,704,524,389,550,272
  5. Step 5: Solve for x
    x = 286,704,524,389,550,272/526,627,961.56
  6. Step 6: Final answer
    x = 544,415,688.72

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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.