Home / 727,920,736.40-1,091,881,104.60-723,385,773.20

Finding the Fourth Proportional to 727,920,736.40, 1,091,881,104.60 and 723,385,773.20

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Solution

The fourth proportional to 727,920,736.40, 1,091,881,104.60 and 723,385,773.20 is: 1,085,078,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,920,736.40 : 1,091,881,104.60 = 723,385,773.20 : x
  2. Step 2: Convert to fraction form
    727,920,736.40/1,091,881,104.60 = 723,385,773.20/x
  3. Step 3: Cross multiply
    727,920,736.40x = 1,091,881,104.60 × 723,385,773.20
  4. Step 4: Simplify right side
    727,920,736.40x = 789,851,257,093,541,120
  5. Step 5: Solve for x
    x = 789,851,257,093,541,120/727,920,736.40
  6. Step 6: Final answer
    x = 1,085,078,659.80

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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.