Home / 1,154,339,125.31-1,592,945,316.12-625,691,761.18

Finding the Fourth Proportional to 1,154,339,125.31, 1,592,945,316.12 and 625,691,761.18

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Solution

The fourth proportional to 1,154,339,125.31, 1,592,945,316.12 and 625,691,761.18 is: 863,431,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,339,125.31 : 1,592,945,316.12 = 625,691,761.18 : x
  2. Step 2: Convert to fraction form
    1,154,339,125.31/1,592,945,316.12 = 625,691,761.18/x
  3. Step 3: Cross multiply
    1,154,339,125.31x = 1,592,945,316.12 × 625,691,761.18
  4. Step 4: Simplify right side
    1,154,339,125.31x = 996,692,760,304,887,296
  5. Step 5: Solve for x
    x = 996,692,760,304,887,296/1,154,339,125.31
  6. Step 6: Final answer
    x = 863,431,498.12

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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.