Home / 764,956,232.10-1,147,434,348.15-247,438,986.30

Finding the Fourth Proportional to 764,956,232.10, 1,147,434,348.15 and 247,438,986.30

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Solution

The fourth proportional to 764,956,232.10, 1,147,434,348.15 and 247,438,986.30 is: 371,158,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,956,232.10 : 1,147,434,348.15 = 247,438,986.30 : x
  2. Step 2: Convert to fraction form
    764,956,232.10/1,147,434,348.15 = 247,438,986.30/x
  3. Step 3: Cross multiply
    764,956,232.10x = 1,147,434,348.15 × 247,438,986.30
  4. Step 4: Simplify right side
    764,956,232.10x = 283,919,991,952,037,312
  5. Step 5: Solve for x
    x = 283,919,991,952,037,312/764,956,232.10
  6. Step 6: Final answer
    x = 371,158,479.45

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Double scale
Find fourth proportional to 764,956,233.10, 1,147,434,349.65 and 247,438,987.30
Similar ratio
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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.