Home / 299,242,023.91-412,726,744.17-257,496,046.67

Finding the Fourth Proportional to 299,242,023.91, 412,726,744.17 and 257,496,046.67

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Solution

The fourth proportional to 299,242,023.91, 412,726,744.17 and 257,496,046.67 is: 355,148,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,242,023.91 : 412,726,744.17 = 257,496,046.67 : x
  2. Step 2: Convert to fraction form
    299,242,023.91/412,726,744.17 = 257,496,046.67/x
  3. Step 3: Cross multiply
    299,242,023.91x = 412,726,744.17 × 257,496,046.67
  4. Step 4: Simplify right side
    299,242,023.91x = 106,275,504,979,787,296
  5. Step 5: Solve for x
    x = 106,275,504,979,787,296/299,242,023.91
  6. Step 6: Final answer
    x = 355,148,998.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.