Home / 664,271,600.40-996,407,400.60-172,983,920.40

Finding the Fourth Proportional to 664,271,600.40, 996,407,400.60 and 172,983,920.40

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Solution

The fourth proportional to 664,271,600.40, 996,407,400.60 and 172,983,920.40 is: 259,475,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,600.40 : 996,407,400.60 = 172,983,920.40 : x
  2. Step 2: Convert to fraction form
    664,271,600.40/996,407,400.60 = 172,983,920.40/x
  3. Step 3: Cross multiply
    664,271,600.40x = 996,407,400.60 × 172,983,920.40
  4. Step 4: Simplify right side
    664,271,600.40x = 172,362,458,471,361,312
  5. Step 5: Solve for x
    x = 172,362,458,471,361,312/664,271,600.40
  6. Step 6: Final answer
    x = 259,475,880.60

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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.