Home / 3,642,803,637.78-5,027,070,702.06-1,972,052,778.97

Finding the Fourth Proportional to 3,642,803,637.78, 5,027,070,702.06 and 1,972,052,778.97

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Solution

The fourth proportional to 3,642,803,637.78, 5,027,070,702.06 and 1,972,052,778.97 is: 2,721,433,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,803,637.78 : 5,027,070,702.06 = 1,972,052,778.97 : x
  2. Step 2: Convert to fraction form
    3,642,803,637.78/5,027,070,702.06 = 1,972,052,778.97/x
  3. Step 3: Cross multiply
    3,642,803,637.78x = 5,027,070,702.06 × 1,972,052,778.97
  4. Step 4: Simplify right side
    3,642,803,637.78x = 9,913,648,748,063,524,864
  5. Step 5: Solve for x
    x = 9,913,648,748,063,524,864/3,642,803,637.78
  6. Step 6: Final answer
    x = 2,721,433,745.49

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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.