Home / 1,115,215,177.41-1,672,544,645.33-328,112,208

Finding the Fourth Proportional to 1,115,215,177.41, 1,672,544,645.33 and 328,112,208

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Solution

The fourth proportional to 1,115,215,177.41, 1,672,544,645.33 and 328,112,208 is: 492,086,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,215,177.41 : 1,672,544,645.33 = 328,112,208 : x
  2. Step 2: Convert to fraction form
    1,115,215,177.41/1,672,544,645.33 = 328,112,208/x
  3. Step 3: Cross multiply
    1,115,215,177.41x = 1,672,544,645.33 × 328,112,208
  4. Step 4: Simplify right side
    1,115,215,177.41x = 548,782,316,556,162,624
  5. Step 5: Solve for x
    x = 548,782,316,556,162,624/1,115,215,177.41
  6. Step 6: Final answer
    x = 492,086,484.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.