Home / 637,610,249.28-879,866,566.94-351,492,544.34

Finding the Fourth Proportional to 637,610,249.28, 879,866,566.94 and 351,492,544.34

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Solution

The fourth proportional to 637,610,249.28, 879,866,566.94 and 351,492,544.34 is: 485,040,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,610,249.28 : 879,866,566.94 = 351,492,544.34 : x
  2. Step 2: Convert to fraction form
    637,610,249.28/879,866,566.94 = 351,492,544.34/x
  3. Step 3: Cross multiply
    637,610,249.28x = 879,866,566.94 × 351,492,544.34
  4. Step 4: Simplify right side
    637,610,249.28x = 309,266,538,293,441,536
  5. Step 5: Solve for x
    x = 309,266,538,293,441,536/637,610,249.28
  6. Step 6: Final answer
    x = 485,040,098.78

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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.