Home / 772,353,025.20-1,159,873,230.60-409,555,969.20

Finding the Fourth Proportional to 772,353,025.20, 1,159,873,230.60 and 409,555,969.20

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Solution

The fourth proportional to 772,353,025.20, 1,159,873,230.60 and 409,555,969.20 is: 615,046,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,353,025.20 : 1,159,873,230.60 = 409,555,969.20 : x
  2. Step 2: Convert to fraction form
    772,353,025.20/1,159,873,230.60 = 409,555,969.20/x
  3. Step 3: Cross multiply
    772,353,025.20x = 1,159,873,230.60 × 409,555,969.20
  4. Step 4: Simplify right side
    772,353,025.20x = 475,033,005,107,518,016
  5. Step 5: Solve for x
    x = 475,033,005,107,518,016/772,353,025.20
  6. Step 6: Final answer
    x = 615,046,474.36

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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.