Home / 1,979,061,561.96-2,966,009,933.22-1,105,627,649.64

Finding the Fourth Proportional to 1,979,061,561.96, 2,966,009,933.22 and 1,105,627,649.64

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Solution

The fourth proportional to 1,979,061,561.96, 2,966,009,933.22 and 1,105,627,649.64 is: 1,656,998,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,061,561.96 : 2,966,009,933.22 = 1,105,627,649.64 : x
  2. Step 2: Convert to fraction form
    1,979,061,561.96/2,966,009,933.22 = 1,105,627,649.64/x
  3. Step 3: Cross multiply
    1,979,061,561.96x = 2,966,009,933.22 × 1,105,627,649.64
  4. Step 4: Simplify right side
    1,979,061,561.96x = 3,279,302,591,274,921,984
  5. Step 5: Solve for x
    x = 3,279,302,591,274,921,984/1,979,061,561.96
  6. Step 6: Final answer
    x = 1,656,998,778.77

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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.