Home / 325,023,098.45-487,247,666.42-248,686,913.21

Finding the Fourth Proportional to 325,023,098.45, 487,247,666.42 and 248,686,913.21

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Solution

The fourth proportional to 325,023,098.45, 487,247,666.42 and 248,686,913.21 is: 372,810,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,023,098.45 : 487,247,666.42 = 248,686,913.21 : x
  2. Step 2: Convert to fraction form
    325,023,098.45/487,247,666.42 = 248,686,913.21/x
  3. Step 3: Cross multiply
    325,023,098.45x = 487,247,666.42 × 248,686,913.21
  4. Step 4: Simplify right side
    325,023,098.45x = 121,172,118,131,694,352
  5. Step 5: Solve for x
    x = 121,172,118,131,694,352/325,023,098.45
  6. Step 6: Final answer
    x = 372,810,790.09

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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.