Home / 381,313,961.02-526,197,770.13-216,297,987.58

Finding the Fourth Proportional to 381,313,961.02, 526,197,770.13 and 216,297,987.58

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Solution

The fourth proportional to 381,313,961.02, 526,197,770.13 and 216,297,987.58 is: 298,482,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,313,961.02 : 526,197,770.13 = 216,297,987.58 : x
  2. Step 2: Convert to fraction form
    381,313,961.02/526,197,770.13 = 216,297,987.58/x
  3. Step 3: Cross multiply
    381,313,961.02x = 526,197,770.13 × 216,297,987.58
  4. Step 4: Simplify right side
    381,313,961.02x = 113,815,518,748,202,448
  5. Step 5: Solve for x
    x = 113,815,518,748,202,448/381,313,961.02
  6. Step 6: Final answer
    x = 298,482,432.81

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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.