Home / 484,568,837.76-726,943,536.24-157,015,140.96

Finding the Fourth Proportional to 484,568,837.76, 726,943,536.24 and 157,015,140.96

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Solution

The fourth proportional to 484,568,837.76, 726,943,536.24 and 157,015,140.96 is: 235,551,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,568,837.76 : 726,943,536.24 = 157,015,140.96 : x
  2. Step 2: Convert to fraction form
    484,568,837.76/726,943,536.24 = 157,015,140.96/x
  3. Step 3: Cross multiply
    484,568,837.76x = 726,943,536.24 × 157,015,140.96
  4. Step 4: Simplify right side
    484,568,837.76x = 114,141,141,812,684,480
  5. Step 5: Solve for x
    x = 114,141,141,812,684,480/484,568,837.76
  6. Step 6: Final answer
    x = 235,551,964.79

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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.