Home / 381,313,971.02-526,197,783.93-216,297,997.58

Finding the Fourth Proportional to 381,313,971.02, 526,197,783.93 and 216,297,997.58

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Solution

The fourth proportional to 381,313,971.02, 526,197,783.93 and 216,297,997.58 is: 298,482,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,313,971.02 : 526,197,783.93 = 216,297,997.58 : x
  2. Step 2: Convert to fraction form
    381,313,971.02/526,197,783.93 = 216,297,997.58/x
  3. Step 3: Cross multiply
    381,313,971.02x = 526,197,783.93 × 216,297,997.58
  4. Step 4: Simplify right side
    381,313,971.02x = 113,815,526,995,092,512
  5. Step 5: Solve for x
    x = 113,815,526,995,092,512/381,313,971.02
  6. Step 6: Final answer
    x = 298,482,446.61

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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.