Home / 664,037,915.40-996,056,873.10-203,998,966.20

Finding the Fourth Proportional to 664,037,915.40, 996,056,873.10 and 203,998,966.20

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Solution

The fourth proportional to 664,037,915.40, 996,056,873.10 and 203,998,966.20 is: 305,998,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,037,915.40 : 996,056,873.10 = 203,998,966.20 : x
  2. Step 2: Convert to fraction form
    664,037,915.40/996,056,873.10 = 203,998,966.20/x
  3. Step 3: Cross multiply
    664,037,915.40x = 996,056,873.10 × 203,998,966.20
  4. Step 4: Simplify right side
    664,037,915.40x = 203,194,572,388,804,576
  5. Step 5: Solve for x
    x = 203,194,572,388,804,576/664,037,915.40
  6. Step 6: Final answer
    x = 305,998,449.30

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Similar ratio
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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.