Home / 18,929,088,858.24-28,396,215,956.16-7,885,022,124.96

Finding the Fourth Proportional to 18,929,088,858.24, 28,396,215,956.16 and 7,885,022,124.96

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Solution

The fourth proportional to 18,929,088,858.24, 28,396,215,956.16 and 7,885,022,124.96 is: 11,828,609,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,088,858.24 : 28,396,215,956.16 = 7,885,022,124.96 : x
  2. Step 2: Convert to fraction form
    18,929,088,858.24/28,396,215,956.16 = 7,885,022,124.96/x
  3. Step 3: Cross multiply
    18,929,088,858.24x = 28,396,215,956.16 × 7,885,022,124.96
  4. Step 4: Simplify right side
    18,929,088,858.24x = 223,904,791,079,463,780,352
  5. Step 5: Solve for x
    x = 223,904,791,079,463,780,352/18,929,088,858.24
  6. Step 6: Final answer
    x = 11,828,609,013.16

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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.