Home / 403,603,164.84-556,972,346.16-217,964,162.64

Finding the Fourth Proportional to 403,603,164.84, 556,972,346.16 and 217,964,162.64

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Solution

The fourth proportional to 403,603,164.84, 556,972,346.16 and 217,964,162.64 is: 300,790,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,603,164.84 : 556,972,346.16 = 217,964,162.64 : x
  2. Step 2: Convert to fraction form
    403,603,164.84/556,972,346.16 = 217,964,162.64/x
  3. Step 3: Cross multiply
    403,603,164.84x = 556,972,346.16 × 217,964,162.64
  4. Step 4: Simplify right side
    403,603,164.84x = 121,400,011,044,400,608
  5. Step 5: Solve for x
    x = 121,400,011,044,400,608/403,603,164.84
  6. Step 6: Final answer
    x = 300,790,532.93

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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.