Home / 657,436,131.16-907,262,745.30-356,021,968.42

Finding the Fourth Proportional to 657,436,131.16, 907,262,745.30 and 356,021,968.42

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Solution

The fourth proportional to 657,436,131.16, 907,262,745.30 and 356,021,968.42 is: 491,310,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,436,131.16 : 907,262,745.30 = 356,021,968.42 : x
  2. Step 2: Convert to fraction form
    657,436,131.16/907,262,745.30 = 356,021,968.42/x
  3. Step 3: Cross multiply
    657,436,131.16x = 907,262,745.30 × 356,021,968.42
  4. Step 4: Simplify right side
    657,436,131.16x = 323,005,468,455,839,104
  5. Step 5: Solve for x
    x = 323,005,468,455,839,104/657,436,131.16
  6. Step 6: Final answer
    x = 491,310,795.29

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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.