Home / 728,708,270.40-1,093,062,405.60-658,416,340.80

Finding the Fourth Proportional to 728,708,270.40, 1,093,062,405.60 and 658,416,340.80

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Solution

The fourth proportional to 728,708,270.40, 1,093,062,405.60 and 658,416,340.80 is: 987,624,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,708,270.40 : 1,093,062,405.60 = 658,416,340.80 : x
  2. Step 2: Convert to fraction form
    728,708,270.40/1,093,062,405.60 = 658,416,340.80/x
  3. Step 3: Cross multiply
    728,708,270.40x = 1,093,062,405.60 × 658,416,340.80
  4. Step 4: Simplify right side
    728,708,270.40x = 719,690,149,361,197,312
  5. Step 5: Solve for x
    x = 719,690,149,361,197,312/728,708,270.40
  6. Step 6: Final answer
    x = 987,624,511.20

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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.