Home / 20,562,838,295.82-30,846,370,844.21-7,117,100,193.62

Finding the Fourth Proportional to 20,562,838,295.82, 30,846,370,844.21 and 7,117,100,193.62

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Solution

The fourth proportional to 20,562,838,295.82, 30,846,370,844.21 and 7,117,100,193.62 is: 10,676,381,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,838,295.82 : 30,846,370,844.21 = 7,117,100,193.62 : x
  2. Step 2: Convert to fraction form
    20,562,838,295.82/30,846,370,844.21 = 7,117,100,193.62/x
  3. Step 3: Cross multiply
    20,562,838,295.82x = 30,846,370,844.21 × 7,117,100,193.62
  4. Step 4: Simplify right side
    20,562,838,295.82x = 219,536,711,907,853,041,664
  5. Step 5: Solve for x
    x = 219,536,711,907,853,041,664/20,562,838,295.82
  6. Step 6: Final answer
    x = 10,676,381,769.37

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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.