Home / 324,454,616-486,742,941.52-130,381,417.20

Finding the Fourth Proportional to 324,454,616, 486,742,941.52 and 130,381,417.20

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Solution

The fourth proportional to 324,454,616, 486,742,941.52 and 130,381,417.20 is: 195,596,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,454,616 : 486,742,941.52 = 130,381,417.20 : x
  2. Step 2: Convert to fraction form
    324,454,616/486,742,941.52 = 130,381,417.20/x
  3. Step 3: Cross multiply
    324,454,616x = 486,742,941.52 × 130,381,417.20
  4. Step 4: Simplify right side
    324,454,616x = 63,462,234,527,474,320
  5. Step 5: Solve for x
    x = 63,462,234,527,474,320/324,454,616
  6. Step 6: Final answer
    x = 195,596,645.56

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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.