Home / 1,481,765,989.14-2,222,779,630.45-418,198,310.93

Finding the Fourth Proportional to 1,481,765,989.14, 2,222,779,630.45 and 418,198,310.93

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Solution

The fourth proportional to 1,481,765,989.14, 2,222,779,630.45 and 418,198,310.93 is: 627,334,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,765,989.14 : 2,222,779,630.45 = 418,198,310.93 : x
  2. Step 2: Convert to fraction form
    1,481,765,989.14/2,222,779,630.45 = 418,198,310.93/x
  3. Step 3: Cross multiply
    1,481,765,989.14x = 2,222,779,630.45 × 418,198,310.93
  4. Step 4: Simplify right side
    1,481,765,989.14x = 929,562,687,027,265,664
  5. Step 5: Solve for x
    x = 929,562,687,027,265,664/1,481,765,989.14
  6. Step 6: Final answer
    x = 627,334,338.78

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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.