Home / 1,040,128,472.66-1,560,729,110.43-487,487,045.30

Finding the Fourth Proportional to 1,040,128,472.66, 1,560,729,110.43 and 487,487,045.30

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Solution

The fourth proportional to 1,040,128,472.66, 1,560,729,110.43 and 487,487,045.30 is: 731,481,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,128,472.66 : 1,560,729,110.43 = 487,487,045.30 : x
  2. Step 2: Convert to fraction form
    1,040,128,472.66/1,560,729,110.43 = 487,487,045.30/x
  3. Step 3: Cross multiply
    1,040,128,472.66x = 1,560,729,110.43 × 487,487,045.30
  4. Step 4: Simplify right side
    1,040,128,472.66x = 760,835,222,546,977,024
  5. Step 5: Solve for x
    x = 760,835,222,546,977,024/1,040,128,472.66
  6. Step 6: Final answer
    x = 731,481,968.38

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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.