Home / 1,129,540,528.80-1,694,310,793.20-785,166,760.80

Finding the Fourth Proportional to 1,129,540,528.80, 1,694,310,793.20 and 785,166,760.80

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Solution

The fourth proportional to 1,129,540,528.80, 1,694,310,793.20 and 785,166,760.80 is: 1,177,750,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,540,528.80 : 1,694,310,793.20 = 785,166,760.80 : x
  2. Step 2: Convert to fraction form
    1,129,540,528.80/1,694,310,793.20 = 785,166,760.80/x
  3. Step 3: Cross multiply
    1,129,540,528.80x = 1,694,310,793.20 × 785,166,760.80
  4. Step 4: Simplify right side
    1,129,540,528.80x = 1,330,316,517,285,322,496
  5. Step 5: Solve for x
    x = 1,330,316,517,285,322,496/1,129,540,528.80
  6. Step 6: Final answer
    x = 1,177,750,141.20

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Double scale
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Similar ratio
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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.