Home / 20,345,934,097.26-30,520,353,972.96-5,423,021,493.12

Finding the Fourth Proportional to 20,345,934,097.26, 30,520,353,972.96 and 5,423,021,493.12

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Solution

The fourth proportional to 20,345,934,097.26, 30,520,353,972.96 and 5,423,021,493.12 is: 8,134,919,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,934,097.26 : 30,520,353,972.96 = 5,423,021,493.12 : x
  2. Step 2: Convert to fraction form
    20,345,934,097.26/30,520,353,972.96 = 5,423,021,493.12/x
  3. Step 3: Cross multiply
    20,345,934,097.26x = 30,520,353,972.96 × 5,423,021,493.12
  4. Step 4: Simplify right side
    20,345,934,097.26x = 165,512,535,572,992,458,752
  5. Step 5: Solve for x
    x = 165,512,535,572,992,458,752/20,345,934,097.26
  6. Step 6: Final answer
    x = 8,134,919,477.37

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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.