Home / 381,313,718.27-526,197,436.67-216,297,744.83

Finding the Fourth Proportional to 381,313,718.27, 526,197,436.67 and 216,297,744.83

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Solution

The fourth proportional to 381,313,718.27, 526,197,436.67 and 216,297,744.83 is: 298,482,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,313,718.27 : 526,197,436.67 = 216,297,744.83 : x
  2. Step 2: Convert to fraction form
    381,313,718.27/526,197,436.67 = 216,297,744.83/x
  3. Step 3: Cross multiply
    381,313,718.27x = 526,197,436.67 × 216,297,744.83
  4. Step 4: Simplify right side
    381,313,718.27x = 113,815,318,885,966,272
  5. Step 5: Solve for x
    x = 113,815,318,885,966,272/381,313,718.27
  6. Step 6: Final answer
    x = 298,482,098.68

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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.