Home / 664,271,505.40-996,407,258.10-172,983,825.40

Finding the Fourth Proportional to 664,271,505.40, 996,407,258.10 and 172,983,825.40

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Solution

The fourth proportional to 664,271,505.40, 996,407,258.10 and 172,983,825.40 is: 259,475,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,505.40 : 996,407,258.10 = 172,983,825.40 : x
  2. Step 2: Convert to fraction form
    664,271,505.40/996,407,258.10 = 172,983,825.40/x
  3. Step 3: Cross multiply
    664,271,505.40x = 996,407,258.10 × 172,983,825.40
  4. Step 4: Simplify right side
    664,271,505.40x = 172,362,339,162,463,136
  5. Step 5: Solve for x
    x = 172,362,339,162,463,136/664,271,505.40
  6. Step 6: Final answer
    x = 259,475,738.10

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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.