Home / 21,889,689,156.28-30,206,961,757.02-11,864,968,769.80

Finding the Fourth Proportional to 21,889,689,156.28, 30,206,961,757.02 and 11,864,968,769.80

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Solution

The fourth proportional to 21,889,689,156.28, 30,206,961,757.02 and 11,864,968,769.80 is: 16,373,218,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,689,156.28 : 30,206,961,757.02 = 11,864,968,769.80 : x
  2. Step 2: Convert to fraction form
    21,889,689,156.28/30,206,961,757.02 = 11,864,968,769.80/x
  3. Step 3: Cross multiply
    21,889,689,156.28x = 30,206,961,757.02 × 11,864,968,769.80
  4. Step 4: Simplify right side
    21,889,689,156.28x = 358,404,657,877,585,231,872
  5. Step 5: Solve for x
    x = 358,404,657,877,585,231,872/21,889,689,156.28
  6. Step 6: Final answer
    x = 16,373,218,245.30

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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.