Home / 746,799,187.60-1,120,198,781.40-315,921,696.40

Finding the Fourth Proportional to 746,799,187.60, 1,120,198,781.40 and 315,921,696.40

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Solution

The fourth proportional to 746,799,187.60, 1,120,198,781.40 and 315,921,696.40 is: 473,882,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,799,187.60 : 1,120,198,781.40 = 315,921,696.40 : x
  2. Step 2: Convert to fraction form
    746,799,187.60/1,120,198,781.40 = 315,921,696.40/x
  3. Step 3: Cross multiply
    746,799,187.60x = 1,120,198,781.40 × 315,921,696.40
  4. Step 4: Simplify right side
    746,799,187.60x = 353,895,099,325,100,800
  5. Step 5: Solve for x
    x = 353,895,099,325,100,800/746,799,187.60
  6. Step 6: Final answer
    x = 473,882,544.60

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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.