Home / 7,260,431,180.20-10,890,646,770.30-6,941,975,986.60

Finding the Fourth Proportional to 7,260,431,180.20, 10,890,646,770.30 and 6,941,975,986.60

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Solution

The fourth proportional to 7,260,431,180.20, 10,890,646,770.30 and 6,941,975,986.60 is: 10,412,963,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,431,180.20 : 10,890,646,770.30 = 6,941,975,986.60 : x
  2. Step 2: Convert to fraction form
    7,260,431,180.20/10,890,646,770.30 = 6,941,975,986.60/x
  3. Step 3: Cross multiply
    7,260,431,180.20x = 10,890,646,770.30 × 6,941,975,986.60
  4. Step 4: Simplify right side
    7,260,431,180.20x = 75,602,608,357,965,447,168
  5. Step 5: Solve for x
    x = 75,602,608,357,965,447,168/7,260,431,180.20
  6. Step 6: Final answer
    x = 10,412,963,979.90

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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.