Home / 403,603,169.84-556,972,353.06-217,964,167.64

Finding the Fourth Proportional to 403,603,169.84, 556,972,353.06 and 217,964,167.64

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Solution

The fourth proportional to 403,603,169.84, 556,972,353.06 and 217,964,167.64 is: 300,790,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,603,169.84 : 556,972,353.06 = 217,964,167.64 : x
  2. Step 2: Convert to fraction form
    403,603,169.84/556,972,353.06 = 217,964,167.64/x
  3. Step 3: Cross multiply
    403,603,169.84x = 556,972,353.06 × 217,964,167.64
  4. Step 4: Simplify right side
    403,603,169.84x = 121,400,015,333,215,088
  5. Step 5: Solve for x
    x = 121,400,015,333,215,088/403,603,169.84
  6. Step 6: Final answer
    x = 300,790,539.83

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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.