Home / 1,259,638,734.26-1,889,242,754.78-339,299,839.46

Finding the Fourth Proportional to 1,259,638,734.26, 1,889,242,754.78 and 339,299,839.46

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Solution

The fourth proportional to 1,259,638,734.26, 1,889,242,754.78 and 339,299,839.46 is: 508,891,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,638,734.26 : 1,889,242,754.78 = 339,299,839.46 : x
  2. Step 2: Convert to fraction form
    1,259,638,734.26/1,889,242,754.78 = 339,299,839.46/x
  3. Step 3: Cross multiply
    1,259,638,734.26x = 1,889,242,754.78 × 339,299,839.46
  4. Step 4: Simplify right side
    1,259,638,734.26x = 641,019,763,397,822,080
  5. Step 5: Solve for x
    x = 641,019,763,397,822,080/1,259,638,734.26
  6. Step 6: Final answer
    x = 508,891,752.82

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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.