Home / 747,339,982.70-1,121,009,974.05-743,035,310.60

Finding the Fourth Proportional to 747,339,982.70, 1,121,009,974.05 and 743,035,310.60

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Solution

The fourth proportional to 747,339,982.70, 1,121,009,974.05 and 743,035,310.60 is: 1,114,552,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,339,982.70 : 1,121,009,974.05 = 743,035,310.60 : x
  2. Step 2: Convert to fraction form
    747,339,982.70/1,121,009,974.05 = 743,035,310.60/x
  3. Step 3: Cross multiply
    747,339,982.70x = 1,121,009,974.05 × 743,035,310.60
  4. Step 4: Simplify right side
    747,339,982.70x = 832,949,994,253,939,712
  5. Step 5: Solve for x
    x = 832,949,994,253,939,712/747,339,982.70
  6. Step 6: Final answer
    x = 1,114,552,965.90

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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.