Home / 13,989,982,015.01-20,963,619,354.14-8,306,378,366.81

Finding the Fourth Proportional to 13,989,982,015.01, 20,963,619,354.14 and 8,306,378,366.81

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Solution

The fourth proportional to 13,989,982,015.01, 20,963,619,354.14 and 8,306,378,366.81 is: 12,446,889,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,982,015.01 : 20,963,619,354.14 = 8,306,378,366.81 : x
  2. Step 2: Convert to fraction form
    13,989,982,015.01/20,963,619,354.14 = 8,306,378,366.81/x
  3. Step 3: Cross multiply
    13,989,982,015.01x = 20,963,619,354.14 × 8,306,378,366.81
  4. Step 4: Simplify right side
    13,989,982,015.01x = 174,131,754,293,267,922,944
  5. Step 5: Solve for x
    x = 174,131,754,293,267,922,944/13,989,982,015.01
  6. Step 6: Final answer
    x = 12,446,889,074.38

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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.