Home / 313,129,334.31-469,691,010.66-190,341,553.38

Finding the Fourth Proportional to 313,129,334.31, 469,691,010.66 and 190,341,553.38

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Solution

The fourth proportional to 313,129,334.31, 469,691,010.66 and 190,341,553.38 is: 285,510,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,129,334.31 : 469,691,010.66 = 190,341,553.38 : x
  2. Step 2: Convert to fraction form
    313,129,334.31/469,691,010.66 = 190,341,553.38/x
  3. Step 3: Cross multiply
    313,129,334.31x = 469,691,010.66 × 190,341,553.38
  4. Step 4: Simplify right side
    313,129,334.31x = 89,401,716,577,646,544
  5. Step 5: Solve for x
    x = 89,401,716,577,646,544/313,129,334.31
  6. Step 6: Final answer
    x = 285,510,512.05

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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.