Home / 393,984,004.60-590,976,006.90-148,340,164.60

Finding the Fourth Proportional to 393,984,004.60, 590,976,006.90 and 148,340,164.60

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Solution

The fourth proportional to 393,984,004.60, 590,976,006.90 and 148,340,164.60 is: 222,510,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,004.60 : 590,976,006.90 = 148,340,164.60 : x
  2. Step 2: Convert to fraction form
    393,984,004.60/590,976,006.90 = 148,340,164.60/x
  3. Step 3: Cross multiply
    393,984,004.60x = 590,976,006.90 × 148,340,164.60
  4. Step 4: Simplify right side
    393,984,004.60x = 87,665,478,138,196,736
  5. Step 5: Solve for x
    x = 87,665,478,138,196,736/393,984,004.60
  6. Step 6: Final answer
    x = 222,510,246.90

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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.