Home / 527,285,765.16-790,374,988.62-177,410,374.20

Finding the Fourth Proportional to 527,285,765.16, 790,374,988.62 and 177,410,374.20

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Solution

The fourth proportional to 527,285,765.16, 790,374,988.62 and 177,410,374.20 is: 265,929,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,285,765.16 : 790,374,988.62 = 177,410,374.20 : x
  2. Step 2: Convert to fraction form
    527,285,765.16/790,374,988.62 = 177,410,374.20/x
  3. Step 3: Cross multiply
    527,285,765.16x = 790,374,988.62 × 177,410,374.20
  4. Step 4: Simplify right side
    527,285,765.16x = 140,220,722,489,394,928
  5. Step 5: Solve for x
    x = 140,220,722,489,394,928/527,285,765.16
  6. Step 6: Final answer
    x = 265,929,277.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.