Home / 393,984,147.60-590,976,221.40-382,646,739.60

Finding the Fourth Proportional to 393,984,147.60, 590,976,221.40 and 382,646,739.60

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Solution

The fourth proportional to 393,984,147.60, 590,976,221.40 and 382,646,739.60 is: 573,970,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,147.60 : 590,976,221.40 = 382,646,739.60 : x
  2. Step 2: Convert to fraction form
    393,984,147.60/590,976,221.40 = 382,646,739.60/x
  3. Step 3: Cross multiply
    393,984,147.60x = 590,976,221.40 × 382,646,739.60
  4. Step 4: Simplify right side
    393,984,147.60x = 226,135,124,299,837,760
  5. Step 5: Solve for x
    x = 226,135,124,299,837,760/393,984,147.60
  6. Step 6: Final answer
    x = 573,970,109.40

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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.