Home / 12,942,916,445.58-19,419,967,659.78-6,960,049,805.35

Finding the Fourth Proportional to 12,942,916,445.58, 19,419,967,659.78 and 6,960,049,805.35

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Solution

The fourth proportional to 12,942,916,445.58, 19,419,967,659.78 and 6,960,049,805.35 is: 10,443,082,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,916,445.58 : 19,419,967,659.78 = 6,960,049,805.35 : x
  2. Step 2: Convert to fraction form
    12,942,916,445.58/19,419,967,659.78 = 6,960,049,805.35/x
  3. Step 3: Cross multiply
    12,942,916,445.58x = 19,419,967,659.78 × 6,960,049,805.35
  4. Step 4: Simplify right side
    12,942,916,445.58x = 135,163,942,130,355,077,120
  5. Step 5: Solve for x
    x = 135,163,942,130,355,077,120/12,942,916,445.58
  6. Step 6: Final answer
    x = 10,443,082,337.64

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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.