Home / 657,593,261.11-907,471,475.82-356,171,073.72

Finding the Fourth Proportional to 657,593,261.11, 907,471,475.82 and 356,171,073.72

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Solution

The fourth proportional to 657,593,261.11, 907,471,475.82 and 356,171,073.72 is: 491,512,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,593,261.11 : 907,471,475.82 = 356,171,073.72 : x
  2. Step 2: Convert to fraction form
    657,593,261.11/907,471,475.82 = 356,171,073.72/x
  3. Step 3: Cross multiply
    657,593,261.11x = 907,471,475.82 × 356,171,073.72
  4. Step 4: Simplify right side
    657,593,261.11x = 323,215,089,909,679,424
  5. Step 5: Solve for x
    x = 323,215,089,909,679,424/657,593,261.11
  6. Step 6: Final answer
    x = 491,512,168.73

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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.