Home / 400,208,221.60-552,161,448.48-223,968,214.24

Finding the Fourth Proportional to 400,208,221.60, 552,161,448.48 and 223,968,214.24

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Solution

The fourth proportional to 400,208,221.60, 552,161,448.48 and 223,968,214.24 is: 309,005,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,208,221.60 : 552,161,448.48 = 223,968,214.24 : x
  2. Step 2: Convert to fraction form
    400,208,221.60/552,161,448.48 = 223,968,214.24/x
  3. Step 3: Cross multiply
    400,208,221.60x = 552,161,448.48 × 223,968,214.24
  4. Step 4: Simplify right side
    400,208,221.60x = 123,666,613,588,237,376
  5. Step 5: Solve for x
    x = 123,666,613,588,237,376/400,208,221.60
  6. Step 6: Final answer
    x = 309,005,679.83

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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.