Home / 920,348,615.24-1,380,717,046.44-298,515,553.66

Finding the Fourth Proportional to 920,348,615.24, 1,380,717,046.44 and 298,515,553.66

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Solution

The fourth proportional to 920,348,615.24, 1,380,717,046.44 and 298,515,553.66 is: 447,836,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,348,615.24 : 1,380,717,046.44 = 298,515,553.66 : x
  2. Step 2: Convert to fraction form
    920,348,615.24/1,380,717,046.44 = 298,515,553.66/x
  3. Step 3: Cross multiply
    920,348,615.24x = 1,380,717,046.44 × 298,515,553.66
  4. Step 4: Simplify right side
    920,348,615.24x = 412,165,513,565,836,608
  5. Step 5: Solve for x
    x = 412,165,513,565,836,608/920,348,615.24
  6. Step 6: Final answer
    x = 447,836,294.57

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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.