Home / 408,861,028.80-613,291,543.20-245,602,353.60

Finding the Fourth Proportional to 408,861,028.80, 613,291,543.20 and 245,602,353.60

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Solution

The fourth proportional to 408,861,028.80, 613,291,543.20 and 245,602,353.60 is: 368,403,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,861,028.80 : 613,291,543.20 = 245,602,353.60 : x
  2. Step 2: Convert to fraction form
    408,861,028.80/613,291,543.20 = 245,602,353.60/x
  3. Step 3: Cross multiply
    408,861,028.80x = 613,291,543.20 × 245,602,353.60
  4. Step 4: Simplify right side
    408,861,028.80x = 150,625,846,452,896,096
  5. Step 5: Solve for x
    x = 150,625,846,452,896,096/408,861,028.80
  6. Step 6: Final answer
    x = 368,403,530.40

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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.