Home / 393,984,139.60-590,976,209.40-163,876,747.60

Finding the Fourth Proportional to 393,984,139.60, 590,976,209.40 and 163,876,747.60

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Solution

The fourth proportional to 393,984,139.60, 590,976,209.40 and 163,876,747.60 is: 245,815,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,139.60 : 590,976,209.40 = 163,876,747.60 : x
  2. Step 2: Convert to fraction form
    393,984,139.60/590,976,209.40 = 163,876,747.60/x
  3. Step 3: Cross multiply
    393,984,139.60x = 590,976,209.40 × 163,876,747.60
  4. Step 4: Simplify right side
    393,984,139.60x = 96,847,259,105,448,544
  5. Step 5: Solve for x
    x = 96,847,259,105,448,544/393,984,139.60
  6. Step 6: Final answer
    x = 245,815,121.40

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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.