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Finding the Fourth Proportional to 833,775,494.08, 1,250,673,884.56 and 220,354,420

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Solution

The fourth proportional to 833,775,494.08, 1,250,673,884.56 and 220,354,420 is: 330,534,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,775,494.08 : 1,250,673,884.56 = 220,354,420 : x
  2. Step 2: Convert to fraction form
    833,775,494.08/1,250,673,884.56 = 220,354,420/x
  3. Step 3: Cross multiply
    833,775,494.08x = 1,250,673,884.56 × 220,354,420
  4. Step 4: Simplify right side
    833,775,494.08x = 275,591,518,441,365,728
  5. Step 5: Solve for x
    x = 275,591,518,441,365,728/833,775,494.08
  6. Step 6: Final answer
    x = 330,534,442.90

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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.