Home / 672,284,021.36-927,752,836.20-370,862,535.92

Finding the Fourth Proportional to 672,284,021.36, 927,752,836.20 and 370,862,535.92

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Solution

The fourth proportional to 672,284,021.36, 927,752,836.20 and 370,862,535.92 is: 511,790,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,284,021.36 : 927,752,836.20 = 370,862,535.92 : x
  2. Step 2: Convert to fraction form
    672,284,021.36/927,752,836.20 = 370,862,535.92/x
  3. Step 3: Cross multiply
    672,284,021.36x = 927,752,836.20 × 370,862,535.92
  4. Step 4: Simplify right side
    672,284,021.36x = 344,068,769,540,104,384
  5. Step 5: Solve for x
    x = 344,068,769,540,104,384/672,284,021.36
  6. Step 6: Final answer
    x = 511,790,788.73

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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.