Home / 2,629,919,645.91-3,629,159,652.15-1,440,493,904.25

Finding the Fourth Proportional to 2,629,919,645.91, 3,629,159,652.15 and 1,440,493,904.25

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Solution

The fourth proportional to 2,629,919,645.91, 3,629,159,652.15 and 1,440,493,904.25 is: 1,987,810,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,919,645.91 : 3,629,159,652.15 = 1,440,493,904.25 : x
  2. Step 2: Convert to fraction form
    2,629,919,645.91/3,629,159,652.15 = 1,440,493,904.25/x
  3. Step 3: Cross multiply
    2,629,919,645.91x = 3,629,159,652.15 × 1,440,493,904.25
  4. Step 4: Simplify right side
    2,629,919,645.91x = 5,227,782,356,472,125,440
  5. Step 5: Solve for x
    x = 5,227,782,356,472,125,440/2,629,919,645.91
  6. Step 6: Final answer
    x = 1,987,810,678.78

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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.