Home / 18,777,744,001.70-28,166,616,002.55-12,165,767,656.10

Finding the Fourth Proportional to 18,777,744,001.70, 28,166,616,002.55 and 12,165,767,656.10

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Solution

The fourth proportional to 18,777,744,001.70, 28,166,616,002.55 and 12,165,767,656.10 is: 18,248,651,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,744,001.70 : 28,166,616,002.55 = 12,165,767,656.10 : x
  2. Step 2: Convert to fraction form
    18,777,744,001.70/28,166,616,002.55 = 12,165,767,656.10/x
  3. Step 3: Cross multiply
    18,777,744,001.70x = 28,166,616,002.55 × 12,165,767,656.10
  4. Step 4: Simplify right side
    18,777,744,001.70x = 342,668,505,945,611,436,032
  5. Step 5: Solve for x
    x = 342,668,505,945,611,436,032/18,777,744,001.70
  6. Step 6: Final answer
    x = 18,248,651,484.15

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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.