Home / 657,751,627.67-986,304,590.69-325,374,610.91

Finding the Fourth Proportional to 657,751,627.67, 986,304,590.69 and 325,374,610.91

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Solution

The fourth proportional to 657,751,627.67, 986,304,590.69 and 325,374,610.91 is: 487,902,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,751,627.67 : 986,304,590.69 = 325,374,610.91 : x
  2. Step 2: Convert to fraction form
    657,751,627.67/986,304,590.69 = 325,374,610.91/x
  3. Step 3: Cross multiply
    657,751,627.67x = 986,304,590.69 × 325,374,610.91
  4. Step 4: Simplify right side
    657,751,627.67x = 320,918,472,427,947,136
  5. Step 5: Solve for x
    x = 320,918,472,427,947,136/657,751,627.67
  6. Step 6: Final answer
    x = 487,902,209.48

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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.