Home / 403,589,101.69-556,952,957.03-217,950,100.97

Finding the Fourth Proportional to 403,589,101.69, 556,952,957.03 and 217,950,100.97

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Solution

The fourth proportional to 403,589,101.69, 556,952,957.03 and 217,950,100.97 is: 300,771,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589,101.69 : 556,952,957.03 = 217,950,100.97 : x
  2. Step 2: Convert to fraction form
    403,589,101.69/556,952,957.03 = 217,950,100.97/x
  3. Step 3: Cross multiply
    403,589,101.69x = 556,952,957.03 × 217,950,100.97
  4. Step 4: Simplify right side
    403,589,101.69x = 121,387,953,219,138,816
  5. Step 5: Solve for x
    x = 121,387,953,219,138,816/403,589,101.69
  6. Step 6: Final answer
    x = 300,771,137.56

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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.