Home / 346,126,714.92-477,654,974.19-189,503,769.51

Finding the Fourth Proportional to 346,126,714.92, 477,654,974.19 and 189,503,769.51

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Solution

The fourth proportional to 346,126,714.92, 477,654,974.19 and 189,503,769.51 is: 261,515,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,126,714.92 : 477,654,974.19 = 189,503,769.51 : x
  2. Step 2: Convert to fraction form
    346,126,714.92/477,654,974.19 = 189,503,769.51/x
  3. Step 3: Cross multiply
    346,126,714.92x = 477,654,974.19 × 189,503,769.51
  4. Step 4: Simplify right side
    346,126,714.92x = 90,517,418,134,206,752
  5. Step 5: Solve for x
    x = 90,517,418,134,206,752/346,126,714.92
  6. Step 6: Final answer
    x = 261,515,260.83

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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.