Home / 7,991,298,019.40-11,986,947,029.10-7,610,361,110.60

Finding the Fourth Proportional to 7,991,298,019.40, 11,986,947,029.10 and 7,610,361,110.60

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Solution

The fourth proportional to 7,991,298,019.40, 11,986,947,029.10 and 7,610,361,110.60 is: 11,415,541,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,298,019.40 : 11,986,947,029.10 = 7,610,361,110.60 : x
  2. Step 2: Convert to fraction form
    7,991,298,019.40/11,986,947,029.10 = 7,610,361,110.60/x
  3. Step 3: Cross multiply
    7,991,298,019.40x = 11,986,947,029.10 × 7,610,361,110.60
  4. Step 4: Simplify right side
    7,991,298,019.40x = 91,224,995,505,084,858,368
  5. Step 5: Solve for x
    x = 91,224,995,505,084,858,368/7,991,298,019.40
  6. Step 6: Final answer
    x = 11,415,541,665.90

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Similar ratio
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1.5x scale

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.