Home / 299,532,627.20-449,298,940.80-217,265,560.40

Finding the Fourth Proportional to 299,532,627.20, 449,298,940.80 and 217,265,560.40

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Solution

The fourth proportional to 299,532,627.20, 449,298,940.80 and 217,265,560.40 is: 325,898,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,532,627.20 : 449,298,940.80 = 217,265,560.40 : x
  2. Step 2: Convert to fraction form
    299,532,627.20/449,298,940.80 = 217,265,560.40/x
  3. Step 3: Cross multiply
    299,532,627.20x = 449,298,940.80 × 217,265,560.40
  4. Step 4: Simplify right side
    299,532,627.20x = 97,617,186,160,038,432
  5. Step 5: Solve for x
    x = 97,617,186,160,038,432/299,532,627.20
  6. Step 6: Final answer
    x = 325,898,340.60

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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.