Home / 664,356,590.80-996,529,637.40-173,068,910.80

Finding the Fourth Proportional to 664,356,590.80, 996,529,637.40 and 173,068,910.80

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Solution

The fourth proportional to 664,356,590.80, 996,529,637.40 and 173,068,910.80 is: 259,601,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356,590.80 : 996,529,637.40 = 173,068,910.80 : x
  2. Step 2: Convert to fraction form
    664,356,590.80/996,529,637.40 = 173,068,910.80/x
  3. Step 3: Cross multiply
    664,356,590.80x = 996,529,637.40 × 173,068,910.80
  4. Step 4: Simplify right side
    664,356,590.80x = 172,468,298,924,736,960
  5. Step 5: Solve for x
    x = 172,468,298,924,736,960/664,356,590.80
  6. Step 6: Final answer
    x = 259,601,998.86

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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.