Home / 7,049,193,571.44-9,728,070,605.64-3,877,459,205.04

Finding the Fourth Proportional to 7,049,193,571.44, 9,728,070,605.64 and 3,877,459,205.04

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Solution

The fourth proportional to 7,049,193,571.44, 9,728,070,605.64 and 3,877,459,205.04 is: 5,350,994,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049,193,571.44 : 9,728,070,605.64 = 3,877,459,205.04 : x
  2. Step 2: Convert to fraction form
    7,049,193,571.44/9,728,070,605.64 = 3,877,459,205.04/x
  3. Step 3: Cross multiply
    7,049,193,571.44x = 9,728,070,605.64 × 3,877,459,205.04
  4. Step 4: Simplify right side
    7,049,193,571.44x = 37,720,196,917,117,861,888
  5. Step 5: Solve for x
    x = 37,720,196,917,117,861,888/7,049,193,571.44
  6. Step 6: Final answer
    x = 5,350,994,625.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.