Home / 400,208,219.85-552,161,446.07-223,968,212.49

Finding the Fourth Proportional to 400,208,219.85, 552,161,446.07 and 223,968,212.49

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Solution

The fourth proportional to 400,208,219.85, 552,161,446.07 and 223,968,212.49 is: 309,005,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,208,219.85 : 552,161,446.07 = 223,968,212.49 : x
  2. Step 2: Convert to fraction form
    400,208,219.85/552,161,446.07 = 223,968,212.49/x
  3. Step 3: Cross multiply
    400,208,219.85x = 552,161,446.07 × 223,968,212.49
  4. Step 4: Simplify right side
    400,208,219.85x = 123,666,612,081,071,616
  5. Step 5: Solve for x
    x = 123,666,612,081,071,616/400,208,219.85
  6. Step 6: Final answer
    x = 309,005,677.41

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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.