Home / 7,079,121,872,159.40-9,769,085,064,979.50-3,954,098,850,067.20

Finding the Fourth Proportional to 7,079,121,872,159.40, 9,769,085,064,979.50 and 3,954,098,850,067.20

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Solution

The fourth proportional to 7,079,121,872,159.40, 9,769,085,064,979.50 and 3,954,098,850,067.20 is: 5,456,598,815,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,121,872,159.40 : 9,769,085,064,979.50 = 3,954,098,850,067.20 : x
  2. Step 2: Convert to fraction form
    7,079,121,872,159.40/9,769,085,064,979.50 = 3,954,098,850,067.20/x
  3. Step 3: Cross multiply
    7,079,121,872,159.40x = 9,769,085,064,979.50 × 3,954,098,850,067.20
  4. Step 4: Simplify right side
    7,079,121,872,159.40x = 38,627,928,021,644,101,369,724,928
  5. Step 5: Solve for x
    x = 38,627,928,021,644,101,369,724,928/7,079,121,872,159.40
  6. Step 6: Final answer
    x = 5,456,598,815,392.50

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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.