Home / 461,480,905.72-691,999,334.34-154,558,375.48

Finding the Fourth Proportional to 461,480,905.72, 691,999,334.34 and 154,558,375.48

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Solution

The fourth proportional to 461,480,905.72, 691,999,334.34 and 154,558,375.48 is: 231,763,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,480,905.72 : 691,999,334.34 = 154,558,375.48 : x
  2. Step 2: Convert to fraction form
    461,480,905.72/691,999,334.34 = 154,558,375.48/x
  3. Step 3: Cross multiply
    461,480,905.72x = 691,999,334.34 × 154,558,375.48
  4. Step 4: Simplify right side
    461,480,905.72x = 106,954,292,948,831,776
  5. Step 5: Solve for x
    x = 106,954,292,948,831,776/461,480,905.72
  6. Step 6: Final answer
    x = 231,763,203.25

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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.