Home / 19,805,619,810.72-29,702,126,822.04-6,538,407,821.76

Finding the Fourth Proportional to 19,805,619,810.72, 29,702,126,822.04 and 6,538,407,821.76

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Solution

The fourth proportional to 19,805,619,810.72, 29,702,126,822.04 and 6,538,407,821.76 is: 9,805,530,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805,619,810.72 : 29,702,126,822.04 = 6,538,407,821.76 : x
  2. Step 2: Convert to fraction form
    19,805,619,810.72/29,702,126,822.04 = 6,538,407,821.76/x
  3. Step 3: Cross multiply
    19,805,619,810.72x = 29,702,126,822.04 × 6,538,407,821.76
  4. Step 4: Simplify right side
    19,805,619,810.72x = 194,204,618,336,133,840,896
  5. Step 5: Solve for x
    x = 194,204,618,336,133,840,896/19,805,619,810.72
  6. Step 6: Final answer
    x = 9,805,530,965.06

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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.