Home / 489,153,043.52-734,189,265.92-256,150,995.52

Finding the Fourth Proportional to 489,153,043.52, 734,189,265.92 and 256,150,995.52

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Solution

The fourth proportional to 489,153,043.52, 734,189,265.92 and 256,150,995.52 is: 384,467,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,153,043.52 : 734,189,265.92 = 256,150,995.52 : x
  2. Step 2: Convert to fraction form
    489,153,043.52/734,189,265.92 = 256,150,995.52/x
  3. Step 3: Cross multiply
    489,153,043.52x = 734,189,265.92 × 256,150,995.52
  4. Step 4: Simplify right side
    489,153,043.52x = 188,063,311,365,506,016
  5. Step 5: Solve for x
    x = 188,063,311,365,506,016/489,153,043.52
  6. Step 6: Final answer
    x = 384,467,221.16

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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.