Home / 625,618,859.36-863,394,382.22-347,160,382.89

Finding the Fourth Proportional to 625,618,859.36, 863,394,382.22 and 347,160,382.89

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Solution

The fourth proportional to 625,618,859.36, 863,394,382.22 and 347,160,382.89 is: 479,103,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,618,859.36 : 863,394,382.22 = 347,160,382.89 : x
  2. Step 2: Convert to fraction form
    625,618,859.36/863,394,382.22 = 347,160,382.89/x
  3. Step 3: Cross multiply
    625,618,859.36x = 863,394,382.22 × 347,160,382.89
  4. Step 4: Simplify right side
    625,618,859.36x = 299,736,324,316,570,176
  5. Step 5: Solve for x
    x = 299,736,324,316,570,176/625,618,859.36
  6. Step 6: Final answer
    x = 479,103,722.39

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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.