Home / 764,949,948.60-1,147,424,922.90-247,751,567.40

Finding the Fourth Proportional to 764,949,948.60, 1,147,424,922.90 and 247,751,567.40

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Solution

The fourth proportional to 764,949,948.60, 1,147,424,922.90 and 247,751,567.40 is: 371,627,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,949,948.60 : 1,147,424,922.90 = 247,751,567.40 : x
  2. Step 2: Convert to fraction form
    764,949,948.60/1,147,424,922.90 = 247,751,567.40/x
  3. Step 3: Cross multiply
    764,949,948.60x = 1,147,424,922.90 × 247,751,567.40
  4. Step 4: Simplify right side
    764,949,948.60x = 284,276,323,122,299,168
  5. Step 5: Solve for x
    x = 284,276,323,122,299,168/764,949,948.60
  6. Step 6: Final answer
    x = 371,627,351.10

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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.