Home / 45,438,206,645.40-68,157,309,968.10-30,561,259,867.80

Finding the Fourth Proportional to 45,438,206,645.40, 68,157,309,968.10 and 30,561,259,867.80

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Solution

The fourth proportional to 45,438,206,645.40, 68,157,309,968.10 and 30,561,259,867.80 is: 45,841,889,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438,206,645.40 : 68,157,309,968.10 = 30,561,259,867.80 : x
  2. Step 2: Convert to fraction form
    45,438,206,645.40/68,157,309,968.10 = 30,561,259,867.80/x
  3. Step 3: Cross multiply
    45,438,206,645.40x = 68,157,309,968.10 × 30,561,259,867.80
  4. Step 4: Simplify right side
    45,438,206,645.40x = 2,082,973,261,825,299,447,808
  5. Step 5: Solve for x
    x = 2,082,973,261,825,299,447,808/45,438,206,645.40
  6. Step 6: Final answer
    x = 45,841,889,801.70

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Double scale
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Similar ratio
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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.