Home / 853,434,235.20-1,281,107,946.60-660,202,287.60

Finding the Fourth Proportional to 853,434,235.20, 1,281,107,946.60 and 660,202,287.60

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Solution

The fourth proportional to 853,434,235.20, 1,281,107,946.60 and 660,202,287.60 is: 991,043,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,434,235.20 : 1,281,107,946.60 = 660,202,287.60 : x
  2. Step 2: Convert to fraction form
    853,434,235.20/1,281,107,946.60 = 660,202,287.60/x
  3. Step 3: Cross multiply
    853,434,235.20x = 1,281,107,946.60 × 660,202,287.60
  4. Step 4: Simplify right side
    853,434,235.20x = 845,790,397,007,858,560
  5. Step 5: Solve for x
    x = 845,790,397,007,858,560/853,434,235.20
  6. Step 6: Final answer
    x = 991,043,436.18

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1.5x scale

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.