Home / 437,401,287.20-656,196,409.20-130,724,400.80

Finding the Fourth Proportional to 437,401,287.20, 656,196,409.20 and 130,724,400.80

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Solution

The fourth proportional to 437,401,287.20, 656,196,409.20 and 130,724,400.80 is: 196,114,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,401,287.20 : 656,196,409.20 = 130,724,400.80 : x
  2. Step 2: Convert to fraction form
    437,401,287.20/656,196,409.20 = 130,724,400.80/x
  3. Step 3: Cross multiply
    437,401,287.20x = 656,196,409.20 × 130,724,400.80
  4. Step 4: Simplify right side
    437,401,287.20x = 85,780,882,399,781,616
  5. Step 5: Solve for x
    x = 85,780,882,399,781,616/437,401,287.20
  6. Step 6: Final answer
    x = 196,114,837.59

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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.