Home / 832,198,564.80-1,149,205,989.60-622,991,505.60

Finding the Fourth Proportional to 832,198,564.80, 1,149,205,989.60 and 622,991,505.60

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Solution

The fourth proportional to 832,198,564.80, 1,149,205,989.60 and 622,991,505.60 is: 860,306,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,198,564.80 : 1,149,205,989.60 = 622,991,505.60 : x
  2. Step 2: Convert to fraction form
    832,198,564.80/1,149,205,989.60 = 622,991,505.60/x
  3. Step 3: Cross multiply
    832,198,564.80x = 1,149,205,989.60 × 622,991,505.60
  4. Step 4: Simplify right side
    832,198,564.80x = 715,945,569,705,441,920
  5. Step 5: Solve for x
    x = 715,945,569,705,441,920/832,198,564.80
  6. Step 6: Final answer
    x = 860,306,181.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.