Home / 4,727,809,343.70-7,091,714,015.55-2,147,919,167.70

Finding the Fourth Proportional to 4,727,809,343.70, 7,091,714,015.55 and 2,147,919,167.70

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Solution

The fourth proportional to 4,727,809,343.70, 7,091,714,015.55 and 2,147,919,167.70 is: 3,221,878,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727,809,343.70 : 7,091,714,015.55 = 2,147,919,167.70 : x
  2. Step 2: Convert to fraction form
    4,727,809,343.70/7,091,714,015.55 = 2,147,919,167.70/x
  3. Step 3: Cross multiply
    4,727,809,343.70x = 7,091,714,015.55 × 2,147,919,167.70
  4. Step 4: Simplify right side
    4,727,809,343.70x = 15,232,428,465,846,579,200
  5. Step 5: Solve for x
    x = 15,232,428,465,846,579,200/4,727,809,343.70
  6. Step 6: Final answer
    x = 3,221,878,751.55

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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.