Home / 7,138,092,197.82-9,850,803,470.19-3,923,116,144.07

Finding the Fourth Proportional to 7,138,092,197.82, 9,850,803,470.19 and 3,923,116,144.07

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Solution

The fourth proportional to 7,138,092,197.82, 9,850,803,470.19 and 3,923,116,144.07 is: 5,414,030,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,092,197.82 : 9,850,803,470.19 = 3,923,116,144.07 : x
  2. Step 2: Convert to fraction form
    7,138,092,197.82/9,850,803,470.19 = 3,923,116,144.07/x
  3. Step 3: Cross multiply
    7,138,092,197.82x = 9,850,803,470.19 × 3,923,116,144.07
  4. Step 4: Simplify right side
    7,138,092,197.82x = 38,645,846,125,997,604,864
  5. Step 5: Solve for x
    x = 38,645,846,125,997,604,864/7,138,092,197.82
  6. Step 6: Final answer
    x = 5,414,030,115.47

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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.