Home / 920,348,615.49-1,380,717,046.82-298,515,553.91

Finding the Fourth Proportional to 920,348,615.49, 1,380,717,046.82 and 298,515,553.91

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Solution

The fourth proportional to 920,348,615.49, 1,380,717,046.82 and 298,515,553.91 is: 447,836,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,348,615.49 : 1,380,717,046.82 = 298,515,553.91 : x
  2. Step 2: Convert to fraction form
    920,348,615.49/1,380,717,046.82 = 298,515,553.91/x
  3. Step 3: Cross multiply
    920,348,615.49x = 1,380,717,046.82 × 298,515,553.91
  4. Step 4: Simplify right side
    920,348,615.49x = 412,165,514,024,451,712
  5. Step 5: Solve for x
    x = 412,165,514,024,451,712/920,348,615.49
  6. Step 6: Final answer
    x = 447,836,294.95

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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.