Home / 869,193,540.96-1,304,371,499.80-371,320,407.39

Finding the Fourth Proportional to 869,193,540.96, 1,304,371,499.80 and 371,320,407.39

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Solution

The fourth proportional to 869,193,540.96, 1,304,371,499.80 and 371,320,407.39 is: 557,228,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,193,540.96 : 1,304,371,499.80 = 371,320,407.39 : x
  2. Step 2: Convert to fraction form
    869,193,540.96/1,304,371,499.80 = 371,320,407.39/x
  3. Step 3: Cross multiply
    869,193,540.96x = 1,304,371,499.80 × 371,320,407.39
  4. Step 4: Simplify right side
    869,193,540.96x = 484,339,756,687,301,056
  5. Step 5: Solve for x
    x = 484,339,756,687,301,056/869,193,540.96
  6. Step 6: Final answer
    x = 557,228,895.37

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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.