Home / 263,724,015.80-395,586,023.70-172,900,335.80

Finding the Fourth Proportional to 263,724,015.80, 395,586,023.70 and 172,900,335.80

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Solution

The fourth proportional to 263,724,015.80, 395,586,023.70 and 172,900,335.80 is: 259,350,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,724,015.80 : 395,586,023.70 = 172,900,335.80 : x
  2. Step 2: Convert to fraction form
    263,724,015.80/395,586,023.70 = 172,900,335.80/x
  3. Step 3: Cross multiply
    263,724,015.80x = 395,586,023.70 × 172,900,335.80
  4. Step 4: Simplify right side
    263,724,015.80x = 68,396,956,335,516,760
  5. Step 5: Solve for x
    x = 68,396,956,335,516,760/263,724,015.80
  6. Step 6: Final answer
    x = 259,350,503.70

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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.