Home / 664,271,489.40-996,407,234.10-172,983,809.40

Finding the Fourth Proportional to 664,271,489.40, 996,407,234.10 and 172,983,809.40

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Solution

The fourth proportional to 664,271,489.40, 996,407,234.10 and 172,983,809.40 is: 259,475,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,489.40 : 996,407,234.10 = 172,983,809.40 : x
  2. Step 2: Convert to fraction form
    664,271,489.40/996,407,234.10 = 172,983,809.40/x
  3. Step 3: Cross multiply
    664,271,489.40x = 996,407,234.10 × 172,983,809.40
  4. Step 4: Simplify right side
    664,271,489.40x = 172,362,319,068,335,584
  5. Step 5: Solve for x
    x = 172,362,319,068,335,584/664,271,489.40
  6. Step 6: Final answer
    x = 259,475,714.10

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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.