Home / 1,079,172,107.72-1,616,208,221.62-526,852,781

Finding the Fourth Proportional to 1,079,172,107.72, 1,616,208,221.62 and 526,852,781

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Solution

The fourth proportional to 1,079,172,107.72, 1,616,208,221.62 and 526,852,781 is: 789,034,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,172,107.72 : 1,616,208,221.62 = 526,852,781 : x
  2. Step 2: Convert to fraction form
    1,079,172,107.72/1,616,208,221.62 = 526,852,781/x
  3. Step 3: Cross multiply
    1,079,172,107.72x = 1,616,208,221.62 × 526,852,781
  4. Step 4: Simplify right side
    1,079,172,107.72x = 851,503,796,235,561,216
  5. Step 5: Solve for x
    x = 851,503,796,235,561,216/1,079,172,107.72
  6. Step 6: Final answer
    x = 789,034,288.55

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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.