Home / 18,982,247,067.39-28,453,438,923.42-6,386,732,684.94

Finding the Fourth Proportional to 18,982,247,067.39, 28,453,438,923.42 and 6,386,732,684.94

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Solution

The fourth proportional to 18,982,247,067.39, 28,453,438,923.42 and 6,386,732,684.94 is: 9,573,392,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,247,067.39 : 28,453,438,923.42 = 6,386,732,684.94 : x
  2. Step 2: Convert to fraction form
    18,982,247,067.39/28,453,438,923.42 = 6,386,732,684.94/x
  3. Step 3: Cross multiply
    18,982,247,067.39x = 28,453,438,923.42 × 6,386,732,684.94
  4. Step 4: Simplify right side
    18,982,247,067.39x = 181,724,508,371,150,503,936
  5. Step 5: Solve for x
    x = 181,724,508,371,150,503,936/18,982,247,067.39
  6. Step 6: Final answer
    x = 9,573,392,851.01

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1.5x scale

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.