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Finding the Fourth Proportional to 3,189,126,074.40, 4,774,619,185.20 and 3,189,126,074.40

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Solution

The fourth proportional to 3,189,126,074.40, 4,774,619,185.20 and 3,189,126,074.40 is: 4,774,619,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,126,074.40 : 4,774,619,185.20 = 3,189,126,074.40 : x
  2. Step 2: Convert to fraction form
    3,189,126,074.40/4,774,619,185.20 = 3,189,126,074.40/x
  3. Step 3: Cross multiply
    3,189,126,074.40x = 4,774,619,185.20 × 3,189,126,074.40
  4. Step 4: Simplify right side
    3,189,126,074.40x = 15,226,862,538,851,803,136
  5. Step 5: Solve for x
    x = 15,226,862,538,851,803,136/3,189,126,074.40
  6. Step 6: Final answer
    x = 4,774,619,185.20

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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.