Home / 608,999,498.61-840,419,930.07-330,541,079.55

Finding the Fourth Proportional to 608,999,498.61, 840,419,930.07 and 330,541,079.55

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Solution

The fourth proportional to 608,999,498.61, 840,419,930.07 and 330,541,079.55 is: 456,147,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999,498.61 : 840,419,930.07 = 330,541,079.55 : x
  2. Step 2: Convert to fraction form
    608,999,498.61/840,419,930.07 = 330,541,079.55/x
  3. Step 3: Cross multiply
    608,999,498.61x = 840,419,930.07 × 330,541,079.55
  4. Step 4: Simplify right side
    608,999,498.61x = 277,793,310,960,673,344
  5. Step 5: Solve for x
    x = 277,793,310,960,673,344/608,999,498.61
  6. Step 6: Final answer
    x = 456,147,027.37

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1.5x scale

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.