Home / 455,118,391.73-628,064,472.34-246,276,775.37

Finding the Fourth Proportional to 455,118,391.73, 628,064,472.34 and 246,276,775.37

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Solution

The fourth proportional to 455,118,391.73, 628,064,472.34 and 246,276,775.37 is: 339,862,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,118,391.73 : 628,064,472.34 = 246,276,775.37 : x
  2. Step 2: Convert to fraction form
    455,118,391.73/628,064,472.34 = 246,276,775.37/x
  3. Step 3: Cross multiply
    455,118,391.73x = 628,064,472.34 × 246,276,775.37
  4. Step 4: Simplify right side
    455,118,391.73x = 154,677,692,974,233,760
  5. Step 5: Solve for x
    x = 154,677,692,974,233,760/455,118,391.73
  6. Step 6: Final answer
    x = 339,862,540.79

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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.