Home / 12,754,604,958.90-19,131,907,438.35-8,591,508,741.30

Finding the Fourth Proportional to 12,754,604,958.90, 19,131,907,438.35 and 8,591,508,741.30

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Solution

The fourth proportional to 12,754,604,958.90, 19,131,907,438.35 and 8,591,508,741.30 is: 12,887,263,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,604,958.90 : 19,131,907,438.35 = 8,591,508,741.30 : x
  2. Step 2: Convert to fraction form
    12,754,604,958.90/19,131,907,438.35 = 8,591,508,741.30/x
  3. Step 3: Cross multiply
    12,754,604,958.90x = 19,131,907,438.35 × 8,591,508,741.30
  4. Step 4: Simplify right side
    12,754,604,958.90x = 164,371,949,994,326,491,136
  5. Step 5: Solve for x
    x = 164,371,949,994,326,491,136/12,754,604,958.90
  6. Step 6: Final answer
    x = 12,887,263,111.95

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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.