Home / 2,389,178,195.66-3,296,897,548.98-1,331,859,398.78

Finding the Fourth Proportional to 2,389,178,195.66, 3,296,897,548.98 and 1,331,859,398.78

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Solution

The fourth proportional to 2,389,178,195.66, 3,296,897,548.98 and 1,331,859,398.78 is: 1,837,872,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,178,195.66 : 3,296,897,548.98 = 1,331,859,398.78 : x
  2. Step 2: Convert to fraction form
    2,389,178,195.66/3,296,897,548.98 = 1,331,859,398.78/x
  3. Step 3: Cross multiply
    2,389,178,195.66x = 3,296,897,548.98 × 1,331,859,398.78
  4. Step 4: Simplify right side
    2,389,178,195.66x = 4,391,003,987,407,274,496
  5. Step 5: Solve for x
    x = 4,391,003,987,407,274,496/2,389,178,195.66
  6. Step 6: Final answer
    x = 1,837,872,116.61

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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.