Home / 668,377,578.24-1,003,299,540.48-531,085,766.40

Finding the Fourth Proportional to 668,377,578.24, 1,003,299,540.48 and 531,085,766.40

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Solution

The fourth proportional to 668,377,578.24, 1,003,299,540.48 and 531,085,766.40 is: 797,211,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,377,578.24 : 1,003,299,540.48 = 531,085,766.40 : x
  2. Step 2: Convert to fraction form
    668,377,578.24/1,003,299,540.48 = 531,085,766.40/x
  3. Step 3: Cross multiply
    668,377,578.24x = 1,003,299,540.48 × 531,085,766.40
  4. Step 4: Simplify right side
    668,377,578.24x = 532,838,105,384,588,608
  5. Step 5: Solve for x
    x = 532,838,105,384,588,608/668,377,578.24
  6. Step 6: Final answer
    x = 797,211,221.22

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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.