Home / 6,721,897,791.42-9,277,032,372.12-3,825,753,649.47

Finding the Fourth Proportional to 6,721,897,791.42, 9,277,032,372.12 and 3,825,753,649.47

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Solution

The fourth proportional to 6,721,897,791.42, 9,277,032,372.12 and 3,825,753,649.47 is: 5,280,002,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,897,791.42 : 9,277,032,372.12 = 3,825,753,649.47 : x
  2. Step 2: Convert to fraction form
    6,721,897,791.42/9,277,032,372.12 = 3,825,753,649.47/x
  3. Step 3: Cross multiply
    6,721,897,791.42x = 9,277,032,372.12 × 3,825,753,649.47
  4. Step 4: Simplify right side
    6,721,897,791.42x = 35,491,640,453,889,421,312
  5. Step 5: Solve for x
    x = 35,491,640,453,889,421,312/6,721,897,791.42
  6. Step 6: Final answer
    x = 5,280,002,992.49

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Double scale
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1.5x scale

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.