Home / 664,305,400.40-996,458,100.60-492,118,516.40

Finding the Fourth Proportional to 664,305,400.40, 996,458,100.60 and 492,118,516.40

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Solution

The fourth proportional to 664,305,400.40, 996,458,100.60 and 492,118,516.40 is: 738,177,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,400.40 : 996,458,100.60 = 492,118,516.40 : x
  2. Step 2: Convert to fraction form
    664,305,400.40/996,458,100.60 = 492,118,516.40/x
  3. Step 3: Cross multiply
    664,305,400.40x = 996,458,100.60 × 492,118,516.40
  4. Step 4: Simplify right side
    664,305,400.40x = 490,375,482,122,033,920
  5. Step 5: Solve for x
    x = 490,375,482,122,033,920/664,305,400.40
  6. Step 6: Final answer
    x = 738,177,774.60

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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.