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Finding the Fourth Proportional to 529,915,498.69, 794,991,799.91 and 161,479,286.28

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Solution

The fourth proportional to 529,915,498.69, 794,991,799.91 and 161,479,286.28 is: 242,255,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,915,498.69 : 794,991,799.91 = 161,479,286.28 : x
  2. Step 2: Convert to fraction form
    529,915,498.69/794,991,799.91 = 161,479,286.28/x
  3. Step 3: Cross multiply
    529,915,498.69x = 794,991,799.91 × 161,479,286.28
  4. Step 4: Simplify right side
    529,915,498.69x = 128,374,708,447,919,360
  5. Step 5: Solve for x
    x = 128,374,708,447,919,360/529,915,498.69
  6. Step 6: Final answer
    x = 242,255,055.32

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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.