Home / 381,313,718.02-526,197,436.32-216,297,744.58

Finding the Fourth Proportional to 381,313,718.02, 526,197,436.32 and 216,297,744.58

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Solution

The fourth proportional to 381,313,718.02, 526,197,436.32 and 216,297,744.58 is: 298,482,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,313,718.02 : 526,197,436.32 = 216,297,744.58 : x
  2. Step 2: Convert to fraction form
    381,313,718.02/526,197,436.32 = 216,297,744.58/x
  3. Step 3: Cross multiply
    381,313,718.02x = 526,197,436.32 × 216,297,744.58
  4. Step 4: Simplify right side
    381,313,718.02x = 113,815,318,679,794,176
  5. Step 5: Solve for x
    x = 113,815,318,679,794,176/381,313,718.02
  6. Step 6: Final answer
    x = 298,482,098.34

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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.