Home / 422,891,351.88-634,959,721.80-236,510,457.18

Finding the Fourth Proportional to 422,891,351.88, 634,959,721.80 and 236,510,457.18

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Solution

The fourth proportional to 422,891,351.88, 634,959,721.80 and 236,510,457.18 is: 355,113,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,891,351.88 : 634,959,721.80 = 236,510,457.18 : x
  2. Step 2: Convert to fraction form
    422,891,351.88/634,959,721.80 = 236,510,457.18/x
  3. Step 3: Cross multiply
    422,891,351.88x = 634,959,721.80 × 236,510,457.18
  4. Step 4: Simplify right side
    422,891,351.88x = 150,174,614,093,803,616
  5. Step 5: Solve for x
    x = 150,174,614,093,803,616/422,891,351.88
  6. Step 6: Final answer
    x = 355,113,939.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.