Home / 342,618,078.57-472,811,631.31-185,983,815.44

Finding the Fourth Proportional to 342,618,078.57, 472,811,631.31 and 185,983,815.44

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Solution

The fourth proportional to 342,618,078.57, 472,811,631.31 and 185,983,815.44 is: 256,656,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,618,078.57 : 472,811,631.31 = 185,983,815.44 : x
  2. Step 2: Convert to fraction form
    342,618,078.57/472,811,631.31 = 185,983,815.44/x
  3. Step 3: Cross multiply
    342,618,078.57x = 472,811,631.31 × 185,983,815.44
  4. Step 4: Simplify right side
    342,618,078.57x = 87,935,311,173,677,200
  5. Step 5: Solve for x
    x = 87,935,311,173,677,200/342,618,078.57
  6. Step 6: Final answer
    x = 256,656,950.33

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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.