Home / 403,603,220.96-556,972,423.44-217,964,218.64

Finding the Fourth Proportional to 403,603,220.96, 556,972,423.44 and 217,964,218.64

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Solution

The fourth proportional to 403,603,220.96, 556,972,423.44 and 217,964,218.64 is: 300,790,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,603,220.96 : 556,972,423.44 = 217,964,218.64 : x
  2. Step 2: Convert to fraction form
    403,603,220.96/556,972,423.44 = 217,964,218.64/x
  3. Step 3: Cross multiply
    403,603,220.96x = 556,972,423.44 × 217,964,218.64
  4. Step 4: Simplify right side
    403,603,220.96x = 121,400,059,079,126,832
  5. Step 5: Solve for x
    x = 121,400,059,079,126,832/403,603,220.96
  6. Step 6: Final answer
    x = 300,790,610.12

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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.