Home / 764,956,326.60-1,147,434,489.90-247,439,080.80

Finding the Fourth Proportional to 764,956,326.60, 1,147,434,489.90 and 247,439,080.80

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Solution

The fourth proportional to 764,956,326.60, 1,147,434,489.90 and 247,439,080.80 is: 371,158,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,956,326.60 : 1,147,434,489.90 = 247,439,080.80 : x
  2. Step 2: Convert to fraction form
    764,956,326.60/1,147,434,489.90 = 247,439,080.80/x
  3. Step 3: Cross multiply
    764,956,326.60x = 1,147,434,489.90 × 247,439,080.80
  4. Step 4: Simplify right side
    764,956,326.60x = 283,920,135,459,072,928
  5. Step 5: Solve for x
    x = 283,920,135,459,072,928/764,956,326.60
  6. Step 6: Final answer
    x = 371,158,621.20

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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.