Home / 408,657,970.62-564,269,325.21-329,020,059.42

Finding the Fourth Proportional to 408,657,970.62, 564,269,325.21 and 329,020,059.42

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Solution

The fourth proportional to 408,657,970.62, 564,269,325.21 and 329,020,059.42 is: 454,306,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,657,970.62 : 564,269,325.21 = 329,020,059.42 : x
  2. Step 2: Convert to fraction form
    408,657,970.62/564,269,325.21 = 329,020,059.42/x
  3. Step 3: Cross multiply
    408,657,970.62x = 564,269,325.21 × 329,020,059.42
  4. Step 4: Simplify right side
    408,657,970.62x = 185,655,926,909,477,536
  5. Step 5: Solve for x
    x = 185,655,926,909,477,536/408,657,970.62
  6. Step 6: Final answer
    x = 454,306,388.86

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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.