Home / 20,104,479,092.84-27,747,197,388.41-15,273,895,009.05

Finding the Fourth Proportional to 20,104,479,092.84, 27,747,197,388.41 and 15,273,895,009.05

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Solution

The fourth proportional to 20,104,479,092.84, 27,747,197,388.41 and 15,273,895,009.05 is: 21,080,266,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,479,092.84 : 27,747,197,388.41 = 15,273,895,009.05 : x
  2. Step 2: Convert to fraction form
    20,104,479,092.84/27,747,197,388.41 = 15,273,895,009.05/x
  3. Step 3: Cross multiply
    20,104,479,092.84x = 27,747,197,388.41 × 15,273,895,009.05
  4. Step 4: Simplify right side
    20,104,479,092.84x = 423,807,779,705,884,311,552
  5. Step 5: Solve for x
    x = 423,807,779,705,884,311,552/20,104,479,092.84
  6. Step 6: Final answer
    x = 21,080,266,628.59

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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.