Home / 281,856,030.80-422,784,046.20-261,448,696.40

Finding the Fourth Proportional to 281,856,030.80, 422,784,046.20 and 261,448,696.40

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Solution

The fourth proportional to 281,856,030.80, 422,784,046.20 and 261,448,696.40 is: 392,173,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,856,030.80 : 422,784,046.20 = 261,448,696.40 : x
  2. Step 2: Convert to fraction form
    281,856,030.80/422,784,046.20 = 261,448,696.40/x
  3. Step 3: Cross multiply
    281,856,030.80x = 422,784,046.20 × 261,448,696.40
  4. Step 4: Simplify right side
    281,856,030.80x = 110,536,337,737,707,376
  5. Step 5: Solve for x
    x = 110,536,337,737,707,376/281,856,030.80
  6. Step 6: Final answer
    x = 392,173,044.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.