Home / 659,729,117.70-989,593,676.55-336,570,999.30

Finding the Fourth Proportional to 659,729,117.70, 989,593,676.55 and 336,570,999.30

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Solution

The fourth proportional to 659,729,117.70, 989,593,676.55 and 336,570,999.30 is: 504,856,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,729,117.70 : 989,593,676.55 = 336,570,999.30 : x
  2. Step 2: Convert to fraction form
    659,729,117.70/989,593,676.55 = 336,570,999.30/x
  3. Step 3: Cross multiply
    659,729,117.70x = 989,593,676.55 × 336,570,999.30
  4. Step 4: Simplify right side
    659,729,117.70x = 333,068,532,617,394,496
  5. Step 5: Solve for x
    x = 333,068,532,617,394,496/659,729,117.70
  6. Step 6: Final answer
    x = 504,856,498.95

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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.