Home / 19,897,299,754.56-29,856,279,008.64-8,115,062,253.12

Finding the Fourth Proportional to 19,897,299,754.56, 29,856,279,008.64 and 8,115,062,253.12

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Solution

The fourth proportional to 19,897,299,754.56, 29,856,279,008.64 and 8,115,062,253.12 is: 12,176,806,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897,299,754.56 : 29,856,279,008.64 = 8,115,062,253.12 : x
  2. Step 2: Convert to fraction form
    19,897,299,754.56/29,856,279,008.64 = 8,115,062,253.12/x
  3. Step 3: Cross multiply
    19,897,299,754.56x = 29,856,279,008.64 × 8,115,062,253.12
  4. Step 4: Simplify right side
    19,897,299,754.56x = 242,285,562,801,633,460,224
  5. Step 5: Solve for x
    x = 242,285,562,801,633,460,224/19,897,299,754.56
  6. Step 6: Final answer
    x = 12,176,806,189.30

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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.