Home / 408,825,309.16-564,187,462.50-223,194,148.84

Finding the Fourth Proportional to 408,825,309.16, 564,187,462.50 and 223,194,148.84

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Solution

The fourth proportional to 408,825,309.16, 564,187,462.50 and 223,194,148.84 is: 308,012,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,825,309.16 : 564,187,462.50 = 223,194,148.84 : x
  2. Step 2: Convert to fraction form
    408,825,309.16/564,187,462.50 = 223,194,148.84/x
  3. Step 3: Cross multiply
    408,825,309.16x = 564,187,462.50 × 223,194,148.84
  4. Step 4: Simplify right side
    408,825,309.16x = 125,923,340,478,886,928
  5. Step 5: Solve for x
    x = 125,923,340,478,886,928/408,825,309.16
  6. Step 6: Final answer
    x = 308,012,585.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.