Home / 20,285,910,120.62-30,430,950,225.73-7,021,146,746.43

Finding the Fourth Proportional to 20,285,910,120.62, 30,430,950,225.73 and 7,021,146,746.43

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Solution

The fourth proportional to 20,285,910,120.62, 30,430,950,225.73 and 7,021,146,746.43 is: 10,532,441,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,910,120.62 : 30,430,950,225.73 = 7,021,146,746.43 : x
  2. Step 2: Convert to fraction form
    20,285,910,120.62/30,430,950,225.73 = 7,021,146,746.43/x
  3. Step 3: Cross multiply
    20,285,910,120.62x = 30,430,950,225.73 × 7,021,146,746.43
  4. Step 4: Simplify right side
    20,285,910,120.62x = 213,660,167,168,143,425,536
  5. Step 5: Solve for x
    x = 213,660,167,168,143,425,536/20,285,910,120.62
  6. Step 6: Final answer
    x = 10,532,441,773.51

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1.5x scale

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.