Home / 10,817,991,872.42-14,942,832,749.62-8,945,959,063.46

Finding the Fourth Proportional to 10,817,991,872.42, 14,942,832,749.62 and 8,945,959,063.46

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Solution

The fourth proportional to 10,817,991,872.42, 14,942,832,749.62 and 8,945,959,063.46 is: 12,357,004,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817,991,872.42 : 14,942,832,749.62 = 8,945,959,063.46 : x
  2. Step 2: Convert to fraction form
    10,817,991,872.42/14,942,832,749.62 = 8,945,959,063.46/x
  3. Step 3: Cross multiply
    10,817,991,872.42x = 14,942,832,749.62 × 8,945,959,063.46
  4. Step 4: Simplify right side
    10,817,991,872.42x = 133,677,970,070,137,339,904
  5. Step 5: Solve for x
    x = 133,677,970,070,137,339,904/10,817,991,872.42
  6. Step 6: Final answer
    x = 12,357,004,113.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.