Home / 403,702,656.88-557,109,580.44-218,063,674.48

Finding the Fourth Proportional to 403,702,656.88, 557,109,580.44 and 218,063,674.48

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Solution

The fourth proportional to 403,702,656.88, 557,109,580.44 and 218,063,674.48 is: 300,927,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,702,656.88 : 557,109,580.44 = 218,063,674.48 : x
  2. Step 2: Convert to fraction form
    403,702,656.88/557,109,580.44 = 218,063,674.48/x
  3. Step 3: Cross multiply
    403,702,656.88x = 557,109,580.44 × 218,063,674.48
  4. Step 4: Simplify right side
    403,702,656.88x = 121,485,362,198,757,536
  5. Step 5: Solve for x
    x = 121,485,362,198,757,536/403,702,656.88
  6. Step 6: Final answer
    x = 300,927,824.30

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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.