Home / 400,208,220.60-552,161,447.10-223,968,213.24

Finding the Fourth Proportional to 400,208,220.60, 552,161,447.10 and 223,968,213.24

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Solution

The fourth proportional to 400,208,220.60, 552,161,447.10 and 223,968,213.24 is: 309,005,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,208,220.60 : 552,161,447.10 = 223,968,213.24 : x
  2. Step 2: Convert to fraction form
    400,208,220.60/552,161,447.10 = 223,968,213.24/x
  3. Step 3: Cross multiply
    400,208,220.60x = 552,161,447.10 × 223,968,213.24
  4. Step 4: Simplify right side
    400,208,220.60x = 123,666,612,726,999,792
  5. Step 5: Solve for x
    x = 123,666,612,726,999,792/400,208,220.60
  6. Step 6: Final answer
    x = 309,005,678.45

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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.