Home / 74,490,193,979.20-111,735,290,968.80-66,408,889,556.80

Finding the Fourth Proportional to 74,490,193,979.20, 111,735,290,968.80 and 66,408,889,556.80

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Solution

The fourth proportional to 74,490,193,979.20, 111,735,290,968.80 and 66,408,889,556.80 is: 99,613,334,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,193,979.20 : 111,735,290,968.80 = 66,408,889,556.80 : x
  2. Step 2: Convert to fraction form
    74,490,193,979.20/111,735,290,968.80 = 66,408,889,556.80/x
  3. Step 3: Cross multiply
    74,490,193,979.20x = 111,735,290,968.80 × 66,408,889,556.80
  4. Step 4: Simplify right side
    74,490,193,979.20x = 7,420,216,597,543,952,318,464
  5. Step 5: Solve for x
    x = 7,420,216,597,543,952,318,464/74,490,193,979.20
  6. Step 6: Final answer
    x = 99,613,334,335.20

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1.5x scale

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.