Home / 748,565,981.10-1,120,696,635.60-727,042,620.60

Finding the Fourth Proportional to 748,565,981.10, 1,120,696,635.60 and 727,042,620.60

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Solution

The fourth proportional to 748,565,981.10, 1,120,696,635.60 and 727,042,620.60 is: 1,088,473,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,565,981.10 : 1,120,696,635.60 = 727,042,620.60 : x
  2. Step 2: Convert to fraction form
    748,565,981.10/1,120,696,635.60 = 727,042,620.60/x
  3. Step 3: Cross multiply
    748,565,981.10x = 1,120,696,635.60 × 727,042,620.60
  4. Step 4: Simplify right side
    748,565,981.10x = 814,794,218,844,227,200
  5. Step 5: Solve for x
    x = 814,794,218,844,227,200/748,565,981.10
  6. Step 6: Final answer
    x = 1,088,473,480.52

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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.