Home / 458,970,208.68-688,600,849.52-163,858,997.48

Finding the Fourth Proportional to 458,970,208.68, 688,600,849.52 and 163,858,997.48

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Solution

The fourth proportional to 458,970,208.68, 688,600,849.52 and 163,858,997.48 is: 245,840,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,970,208.68 : 688,600,849.52 = 163,858,997.48 : x
  2. Step 2: Convert to fraction form
    458,970,208.68/688,600,849.52 = 163,858,997.48/x
  3. Step 3: Cross multiply
    458,970,208.68x = 688,600,849.52 × 163,858,997.48
  4. Step 4: Simplify right side
    458,970,208.68x = 112,833,444,866,223,536
  5. Step 5: Solve for x
    x = 112,833,444,866,223,536/458,970,208.68
  6. Step 6: Final answer
    x = 245,840,454.85

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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.