Home / 9,997,520,111.72-13,796,703,464.10-5,769,309,380.84

Finding the Fourth Proportional to 9,997,520,111.72, 13,796,703,464.10 and 5,769,309,380.84

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Solution

The fourth proportional to 9,997,520,111.72, 13,796,703,464.10 and 5,769,309,380.84 is: 7,961,719,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997,520,111.72 : 13,796,703,464.10 = 5,769,309,380.84 : x
  2. Step 2: Convert to fraction form
    9,997,520,111.72/13,796,703,464.10 = 5,769,309,380.84/x
  3. Step 3: Cross multiply
    9,997,520,111.72x = 13,796,703,464.10 × 5,769,309,380.84
  4. Step 4: Simplify right side
    9,997,520,111.72x = 79,597,450,720,099,860,480
  5. Step 5: Solve for x
    x = 79,597,450,720,099,860,480/9,997,520,111.72
  6. Step 6: Final answer
    x = 7,961,719,489.50

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Double scale
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1.5x scale

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.