Home / 330,328,097.52-455,741,197.74-187,258,512

Finding the Fourth Proportional to 330,328,097.52, 455,741,197.74 and 187,258,512

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Solution

The fourth proportional to 330,328,097.52, 455,741,197.74 and 187,258,512 is: 258,353,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,328,097.52 : 455,741,197.74 = 187,258,512 : x
  2. Step 2: Convert to fraction form
    330,328,097.52/455,741,197.74 = 187,258,512/x
  3. Step 3: Cross multiply
    330,328,097.52x = 455,741,197.74 × 187,258,512
  4. Step 4: Simplify right side
    330,328,097.52x = 85,341,418,545,890,160
  5. Step 5: Solve for x
    x = 85,341,418,545,890,160/330,328,097.52
  6. Step 6: Final answer
    x = 258,353,495.17

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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.