Home / 19,276,739,837.12-28,899,902,516.10-12,179,262,749.85

Finding the Fourth Proportional to 19,276,739,837.12, 28,899,902,516.10 and 12,179,262,749.85

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Solution

The fourth proportional to 19,276,739,837.12, 28,899,902,516.10 and 12,179,262,749.85 is: 18,259,286,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276,739,837.12 : 28,899,902,516.10 = 12,179,262,749.85 : x
  2. Step 2: Convert to fraction form
    19,276,739,837.12/28,899,902,516.10 = 12,179,262,749.85/x
  3. Step 3: Cross multiply
    19,276,739,837.12x = 28,899,902,516.10 × 12,179,262,749.85
  4. Step 4: Simplify right side
    19,276,739,837.12x = 351,979,506,188,687,769,600
  5. Step 5: Solve for x
    x = 351,979,506,188,687,769,600/19,276,739,837.12
  6. Step 6: Final answer
    x = 18,259,286,018.43

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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.