Home / 773,200,490.67-1,067,051,813.87-455,674,137.84

Finding the Fourth Proportional to 773,200,490.67, 1,067,051,813.87 and 455,674,137.84

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Solution

The fourth proportional to 773,200,490.67, 1,067,051,813.87 and 455,674,137.84 is: 628,851,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,200,490.67 : 1,067,051,813.87 = 455,674,137.84 : x
  2. Step 2: Convert to fraction form
    773,200,490.67/1,067,051,813.87 = 455,674,137.84/x
  3. Step 3: Cross multiply
    773,200,490.67x = 1,067,051,813.87 × 455,674,137.84
  4. Step 4: Simplify right side
    773,200,490.67x = 486,227,915,313,542,016
  5. Step 5: Solve for x
    x = 486,227,915,313,542,016/773,200,490.67
  6. Step 6: Final answer
    x = 628,851,017.53

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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.