Home / 2,634,728,679.27-3,951,704,272.77-768,873,391.47

Finding the Fourth Proportional to 2,634,728,679.27, 3,951,704,272.77 and 768,873,391.47

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Solution

The fourth proportional to 2,634,728,679.27, 3,951,704,272.77 and 768,873,391.47 is: 1,153,196,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,728,679.27 : 3,951,704,272.77 = 768,873,391.47 : x
  2. Step 2: Convert to fraction form
    2,634,728,679.27/3,951,704,272.77 = 768,873,391.47/x
  3. Step 3: Cross multiply
    2,634,728,679.27x = 3,951,704,272.77 × 768,873,391.47
  4. Step 4: Simplify right side
    2,634,728,679.27x = 3,038,360,266,291,160,064
  5. Step 5: Solve for x
    x = 3,038,360,266,291,160,064/2,634,728,679.27
  6. Step 6: Final answer
    x = 1,153,196,642.29

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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.