Home / 396,395,081.42-546,901,800.26-229,070,384.42

Finding the Fourth Proportional to 396,395,081.42, 546,901,800.26 and 229,070,384.42

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Solution

The fourth proportional to 396,395,081.42, 546,901,800.26 and 229,070,384.42 is: 316,045,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,395,081.42 : 546,901,800.26 = 229,070,384.42 : x
  2. Step 2: Convert to fraction form
    396,395,081.42/546,901,800.26 = 229,070,384.42/x
  3. Step 3: Cross multiply
    396,395,081.42x = 546,901,800.26 × 229,070,384.42
  4. Step 4: Simplify right side
    396,395,081.42x = 125,279,005,621,668,384
  5. Step 5: Solve for x
    x = 125,279,005,621,668,384/396,395,081.42
  6. Step 6: Final answer
    x = 316,045,812.61

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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.