Home / 13,783,718,473.70-20,680,788,489.35-5,395,618,919.07

Finding the Fourth Proportional to 13,783,718,473.70, 20,680,788,489.35 and 5,395,618,919.07

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Solution

The fourth proportional to 13,783,718,473.70, 20,680,788,489.35 and 5,395,618,919.07 is: 8,095,468,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,718,473.70 : 20,680,788,489.35 = 5,395,618,919.07 : x
  2. Step 2: Convert to fraction form
    13,783,718,473.70/20,680,788,489.35 = 5,395,618,919.07/x
  3. Step 3: Cross multiply
    13,783,718,473.70x = 20,680,788,489.35 × 5,395,618,919.07
  4. Step 4: Simplify right side
    13,783,718,473.70x = 111,585,653,634,394,963,968
  5. Step 5: Solve for x
    x = 111,585,653,634,394,963,968/13,783,718,473.70
  6. Step 6: Final answer
    x = 8,095,468,131.28

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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.