Home / 772,517,986.20-1,158,776,979.30-527,629,973.40

Finding the Fourth Proportional to 772,517,986.20, 1,158,776,979.30 and 527,629,973.40

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Solution

The fourth proportional to 772,517,986.20, 1,158,776,979.30 and 527,629,973.40 is: 791,444,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,517,986.20 : 1,158,776,979.30 = 527,629,973.40 : x
  2. Step 2: Convert to fraction form
    772,517,986.20/1,158,776,979.30 = 527,629,973.40/x
  3. Step 3: Cross multiply
    772,517,986.20x = 1,158,776,979.30 × 527,629,973.40
  4. Step 4: Simplify right side
    772,517,986.20x = 611,405,466,764,591,360
  5. Step 5: Solve for x
    x = 611,405,466,764,591,360/772,517,986.20
  6. Step 6: Final answer
    x = 791,444,960.10

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Half scale
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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.