Home / 677,263,840.20-1,015,895,760.30-606,236,750.55

Finding the Fourth Proportional to 677,263,840.20, 1,015,895,760.30 and 606,236,750.55

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Solution

The fourth proportional to 677,263,840.20, 1,015,895,760.30 and 606,236,750.55 is: 909,355,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,263,840.20 : 1,015,895,760.30 = 606,236,750.55 : x
  2. Step 2: Convert to fraction form
    677,263,840.20/1,015,895,760.30 = 606,236,750.55/x
  3. Step 3: Cross multiply
    677,263,840.20x = 1,015,895,760.30 × 606,236,750.55
  4. Step 4: Simplify right side
    677,263,840.20x = 615,873,344,621,793,664
  5. Step 5: Solve for x
    x = 615,873,344,621,793,664/677,263,840.20
  6. Step 6: Final answer
    x = 909,355,125.83

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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.