Home / 12,011,772,608.45-18,017,658,912.68-8,083,360,736.45

Finding the Fourth Proportional to 12,011,772,608.45, 18,017,658,912.68 and 8,083,360,736.45

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Solution

The fourth proportional to 12,011,772,608.45, 18,017,658,912.68 and 8,083,360,736.45 is: 12,125,041,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,772,608.45 : 18,017,658,912.68 = 8,083,360,736.45 : x
  2. Step 2: Convert to fraction form
    12,011,772,608.45/18,017,658,912.68 = 8,083,360,736.45/x
  3. Step 3: Cross multiply
    12,011,772,608.45x = 18,017,658,912.68 × 8,083,360,736.45
  4. Step 4: Simplify right side
    12,011,772,608.45x = 145,643,236,617,505,914,880
  5. Step 5: Solve for x
    x = 145,643,236,617,505,914,880/12,011,772,608.45
  6. Step 6: Final answer
    x = 12,125,041,104.68

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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.