Home / 347,217,866.62-479,558,330.94-228,670,391.64

Finding the Fourth Proportional to 347,217,866.62, 479,558,330.94 and 228,670,391.64

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Solution

The fourth proportional to 347,217,866.62, 479,558,330.94 and 228,670,391.64 is: 315,827,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,217,866.62 : 479,558,330.94 = 228,670,391.64 : x
  2. Step 2: Convert to fraction form
    347,217,866.62/479,558,330.94 = 228,670,391.64/x
  3. Step 3: Cross multiply
    347,217,866.62x = 479,558,330.94 × 228,670,391.64
  4. Step 4: Simplify right side
    347,217,866.62x = 109,660,791,350,274,528
  5. Step 5: Solve for x
    x = 109,660,791,350,274,528/347,217,866.62
  6. Step 6: Final answer
    x = 315,827,040.87

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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.