Home / 3,711,309,254.67-5,121,627,018.80-2,185,463,965.71

Finding the Fourth Proportional to 3,711,309,254.67, 5,121,627,018.80 and 2,185,463,965.71

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Solution

The fourth proportional to 3,711,309,254.67, 5,121,627,018.80 and 2,185,463,965.71 is: 3,015,952,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,309,254.67 : 5,121,627,018.80 = 2,185,463,965.71 : x
  2. Step 2: Convert to fraction form
    3,711,309,254.67/5,121,627,018.80 = 2,185,463,965.71/x
  3. Step 3: Cross multiply
    3,711,309,254.67x = 5,121,627,018.80 × 2,185,463,965.71
  4. Step 4: Simplify right side
    3,711,309,254.67x = 11,193,131,295,383,205,888
  5. Step 5: Solve for x
    x = 11,193,131,295,383,205,888/3,711,309,254.67
  6. Step 6: Final answer
    x = 3,015,952,195.66

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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.