Home / 631,305,262.56-871,231,627.17-349,042,480.47

Finding the Fourth Proportional to 631,305,262.56, 871,231,627.17 and 349,042,480.47

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Solution

The fourth proportional to 631,305,262.56, 871,231,627.17 and 349,042,480.47 is: 481,695,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,305,262.56 : 871,231,627.17 = 349,042,480.47 : x
  2. Step 2: Convert to fraction form
    631,305,262.56/871,231,627.17 = 349,042,480.47/x
  3. Step 3: Cross multiply
    631,305,262.56x = 871,231,627.17 × 349,042,480.47
  4. Step 4: Simplify right side
    631,305,262.56x = 304,096,848,211,331,072
  5. Step 5: Solve for x
    x = 304,096,848,211,331,072/631,305,262.56
  6. Step 6: Final answer
    x = 481,695,411.47

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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.