Home / 418,419,056.52-578,214,651.51-313,815,524.49

Finding the Fourth Proportional to 418,419,056.52, 578,214,651.51 and 313,815,524.49

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Solution

The fourth proportional to 418,419,056.52, 578,214,651.51 and 313,815,524.49 is: 433,662,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,419,056.52 : 578,214,651.51 = 313,815,524.49 : x
  2. Step 2: Convert to fraction form
    418,419,056.52/578,214,651.51 = 313,815,524.49/x
  3. Step 3: Cross multiply
    418,419,056.52x = 578,214,651.51 × 313,815,524.49
  4. Step 4: Simplify right side
    418,419,056.52x = 181,452,734,131,413,216
  5. Step 5: Solve for x
    x = 181,452,734,131,413,216/418,419,056.52
  6. Step 6: Final answer
    x = 433,662,691.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.