Home / 7,991,298,008.40-11,986,947,012.60-7,610,361,099.60

Finding the Fourth Proportional to 7,991,298,008.40, 11,986,947,012.60 and 7,610,361,099.60

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Solution

The fourth proportional to 7,991,298,008.40, 11,986,947,012.60 and 7,610,361,099.60 is: 11,415,541,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,298,008.40 : 11,986,947,012.60 = 7,610,361,099.60 : x
  2. Step 2: Convert to fraction form
    7,991,298,008.40/11,986,947,012.60 = 7,610,361,099.60/x
  3. Step 3: Cross multiply
    7,991,298,008.40x = 11,986,947,012.60 × 7,610,361,099.60
  4. Step 4: Simplify right side
    7,991,298,008.40x = 91,224,995,247,657,484,288
  5. Step 5: Solve for x
    x = 91,224,995,247,657,484,288/7,991,298,008.40
  6. Step 6: Final answer
    x = 11,415,541,649.40

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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.