Home / 657,436,131.66-907,262,745.99-356,021,968.92

Finding the Fourth Proportional to 657,436,131.66, 907,262,745.99 and 356,021,968.92

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Solution

The fourth proportional to 657,436,131.66, 907,262,745.99 and 356,021,968.92 is: 491,310,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,436,131.66 : 907,262,745.99 = 356,021,968.92 : x
  2. Step 2: Convert to fraction form
    657,436,131.66/907,262,745.99 = 356,021,968.92/x
  3. Step 3: Cross multiply
    657,436,131.66x = 907,262,745.99 × 356,021,968.92
  4. Step 4: Simplify right side
    657,436,131.66x = 323,005,469,155,125,632
  5. Step 5: Solve for x
    x = 323,005,469,155,125,632/657,436,131.66
  6. Step 6: Final answer
    x = 491,310,795.98

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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.