Home / 422,851,443.18-634,201,572.33-269,040,607.98

Finding the Fourth Proportional to 422,851,443.18, 634,201,572.33 and 269,040,607.98

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Solution

The fourth proportional to 422,851,443.18, 634,201,572.33 and 269,040,607.98 is: 403,512,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,851,443.18 : 634,201,572.33 = 269,040,607.98 : x
  2. Step 2: Convert to fraction form
    422,851,443.18/634,201,572.33 = 269,040,607.98/x
  3. Step 3: Cross multiply
    422,851,443.18x = 634,201,572.33 × 269,040,607.98
  4. Step 4: Simplify right side
    422,851,443.18x = 170,625,976,601,535,168
  5. Step 5: Solve for x
    x = 170,625,976,601,535,168/422,851,443.18
  6. Step 6: Final answer
    x = 403,512,816.03

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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.