Home / 859,378,604.82-1,286,498,554.80-526,336,971.72

Finding the Fourth Proportional to 859,378,604.82, 1,286,498,554.80 and 526,336,971.72

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Solution

The fourth proportional to 859,378,604.82, 1,286,498,554.80 and 526,336,971.72 is: 787,931,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,378,604.82 : 1,286,498,554.80 = 526,336,971.72 : x
  2. Step 2: Convert to fraction form
    859,378,604.82/1,286,498,554.80 = 526,336,971.72/x
  3. Step 3: Cross multiply
    859,378,604.82x = 1,286,498,554.80 × 526,336,971.72
  4. Step 4: Simplify right side
    859,378,604.82x = 677,131,753,455,588,480
  5. Step 5: Solve for x
    x = 677,131,753,455,588,480/859,378,604.82
  6. Step 6: Final answer
    x = 787,931,826.16

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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.