Home / 805,118,261,705.32-1,207,669,433,981-368,861,410,268.57

Finding the Fourth Proportional to 805,118,261,705.32, 1,207,669,433,981 and 368,861,410,268.57

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Solution

The fourth proportional to 805,118,261,705.32, 1,207,669,433,981 and 368,861,410,268.57 is: 553,288,469,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,118,261,705.32 : 1,207,669,433,981 = 368,861,410,268.57 : x
  2. Step 2: Convert to fraction form
    805,118,261,705.32/1,207,669,433,981 = 368,861,410,268.57/x
  3. Step 3: Cross multiply
    805,118,261,705.32x = 1,207,669,433,981 × 368,861,410,268.57
  4. Step 4: Simplify right side
    805,118,261,705.32x = 445,462,650,556,477,394,124,800
  5. Step 5: Solve for x
    x = 445,462,650,556,477,394,124,800/805,118,261,705.32
  6. Step 6: Final answer
    x = 553,288,469,215.62

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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.