Home / 306,337,152.30-459,505,728.45-209,591,270.70

Finding the Fourth Proportional to 306,337,152.30, 459,505,728.45 and 209,591,270.70

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Solution

The fourth proportional to 306,337,152.30, 459,505,728.45 and 209,591,270.70 is: 314,386,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,337,152.30 : 459,505,728.45 = 209,591,270.70 : x
  2. Step 2: Convert to fraction form
    306,337,152.30/459,505,728.45 = 209,591,270.70/x
  3. Step 3: Cross multiply
    306,337,152.30x = 459,505,728.45 × 209,591,270.70
  4. Step 4: Simplify right side
    306,337,152.30x = 96,308,389,519,764,640
  5. Step 5: Solve for x
    x = 96,308,389,519,764,640/306,337,152.30
  6. Step 6: Final answer
    x = 314,386,906.05

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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.