Home / 2,876,797,755.84-3,969,987,804-1,556,712,477.12

Finding the Fourth Proportional to 2,876,797,755.84, 3,969,987,804 and 1,556,712,477.12

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Solution

The fourth proportional to 2,876,797,755.84, 3,969,987,804 and 1,556,712,477.12 is: 2,148,266,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,797,755.84 : 3,969,987,804 = 1,556,712,477.12 : x
  2. Step 2: Convert to fraction form
    2,876,797,755.84/3,969,987,804 = 1,556,712,477.12/x
  3. Step 3: Cross multiply
    2,876,797,755.84x = 3,969,987,804 × 1,556,712,477.12
  4. Step 4: Simplify right side
    2,876,797,755.84x = 6,180,129,548,501,028,864
  5. Step 5: Solve for x
    x = 6,180,129,548,501,028,864/2,876,797,755.84
  6. Step 6: Final answer
    x = 2,148,266,952.71

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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.