Home / 400,208,220.10-552,161,446.41-223,968,212.74

Finding the Fourth Proportional to 400,208,220.10, 552,161,446.41 and 223,968,212.74

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Solution

The fourth proportional to 400,208,220.10, 552,161,446.41 and 223,968,212.74 is: 309,005,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,208,220.10 : 552,161,446.41 = 223,968,212.74 : x
  2. Step 2: Convert to fraction form
    400,208,220.10/552,161,446.41 = 223,968,212.74/x
  3. Step 3: Cross multiply
    400,208,220.10x = 552,161,446.41 × 223,968,212.74
  4. Step 4: Simplify right side
    400,208,220.10x = 123,666,612,296,380,992
  5. Step 5: Solve for x
    x = 123,666,612,296,380,992/400,208,220.10
  6. Step 6: Final answer
    x = 309,005,677.76

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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.