Home / 664,271,487.90-996,407,231.85-172,983,807.90

Finding the Fourth Proportional to 664,271,487.90, 996,407,231.85 and 172,983,807.90

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Solution

The fourth proportional to 664,271,487.90, 996,407,231.85 and 172,983,807.90 is: 259,475,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,487.90 : 996,407,231.85 = 172,983,807.90 : x
  2. Step 2: Convert to fraction form
    664,271,487.90/996,407,231.85 = 172,983,807.90/x
  3. Step 3: Cross multiply
    664,271,487.90x = 996,407,231.85 × 172,983,807.90
  4. Step 4: Simplify right side
    664,271,487.90x = 172,362,317,184,511,168
  5. Step 5: Solve for x
    x = 172,362,317,184,511,168/664,271,487.90
  6. Step 6: Final answer
    x = 259,475,711.85

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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.