Home / 879,452,169.60-1,318,842,331.20-265,832,457.60

Finding the Fourth Proportional to 879,452,169.60, 1,318,842,331.20 and 265,832,457.60

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Solution

The fourth proportional to 879,452,169.60, 1,318,842,331.20 and 265,832,457.60 is: 398,647,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,452,169.60 : 1,318,842,331.20 = 265,832,457.60 : x
  2. Step 2: Convert to fraction form
    879,452,169.60/1,318,842,331.20 = 265,832,457.60/x
  3. Step 3: Cross multiply
    879,452,169.60x = 1,318,842,331.20 × 265,832,457.60
  4. Step 4: Simplify right side
    879,452,169.60x = 350,591,098,089,809,152
  5. Step 5: Solve for x
    x = 350,591,098,089,809,152/879,452,169.60
  6. Step 6: Final answer
    x = 398,647,146.72

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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.