Home / 12,253,223,491.20-18,379,835,236.80-10,509,831,290.70

Finding the Fourth Proportional to 12,253,223,491.20, 18,379,835,236.80 and 10,509,831,290.70

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Solution

The fourth proportional to 12,253,223,491.20, 18,379,835,236.80 and 10,509,831,290.70 is: 15,764,746,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,223,491.20 : 18,379,835,236.80 = 10,509,831,290.70 : x
  2. Step 2: Convert to fraction form
    12,253,223,491.20/18,379,835,236.80 = 10,509,831,290.70/x
  3. Step 3: Cross multiply
    12,253,223,491.20x = 18,379,835,236.80 × 10,509,831,290.70
  4. Step 4: Simplify right side
    12,253,223,491.20x = 193,168,967,489,631,092,736
  5. Step 5: Solve for x
    x = 193,168,967,489,631,092,736/12,253,223,491.20
  6. Step 6: Final answer
    x = 15,764,746,936.05

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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.