Home / 906,012,072.19-1,359,019,684.73-284,275,017.87

Finding the Fourth Proportional to 906,012,072.19, 1,359,019,684.73 and 284,275,017.87

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Solution

The fourth proportional to 906,012,072.19, 1,359,019,684.73 and 284,275,017.87 is: 426,413,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,012,072.19 : 1,359,019,684.73 = 284,275,017.87 : x
  2. Step 2: Convert to fraction form
    906,012,072.19/1,359,019,684.73 = 284,275,017.87/x
  3. Step 3: Cross multiply
    906,012,072.19x = 1,359,019,684.73 × 284,275,017.87
  4. Step 4: Simplify right side
    906,012,072.19x = 386,335,345,165,568,192
  5. Step 5: Solve for x
    x = 386,335,345,165,568,192/906,012,072.19
  6. Step 6: Final answer
    x = 426,413,021.44

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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.