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Finding the Fourth Proportional to 995,837,109.37, 1,374,375,717.45 and 566,778,717.38

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Solution

The fourth proportional to 995,837,109.37, 1,374,375,717.45 and 566,778,717.38 is: 782,223,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,837,109.37 : 1,374,375,717.45 = 566,778,717.38 : x
  2. Step 2: Convert to fraction form
    995,837,109.37/1,374,375,717.45 = 566,778,717.38/x
  3. Step 3: Cross multiply
    995,837,109.37x = 1,374,375,717.45 × 566,778,717.38
  4. Step 4: Simplify right side
    995,837,109.37x = 778,966,906,337,964,288
  5. Step 5: Solve for x
    x = 778,966,906,337,964,288/995,837,109.37
  6. Step 6: Final answer
    x = 782,223,216.04

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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.