Home / 20,855,305,000.10-31,282,957,500.15-19,467,606,260.90

Finding the Fourth Proportional to 20,855,305,000.10, 31,282,957,500.15 and 19,467,606,260.90

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Solution

The fourth proportional to 20,855,305,000.10, 31,282,957,500.15 and 19,467,606,260.90 is: 29,201,409,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,305,000.10 : 31,282,957,500.15 = 19,467,606,260.90 : x
  2. Step 2: Convert to fraction form
    20,855,305,000.10/31,282,957,500.15 = 19,467,606,260.90/x
  3. Step 3: Cross multiply
    20,855,305,000.10x = 31,282,957,500.15 × 19,467,606,260.90
  4. Step 4: Simplify right side
    20,855,305,000.10x = 609,004,299,289,388,777,472
  5. Step 5: Solve for x
    x = 609,004,299,289,388,777,472/20,855,305,000.10
  6. Step 6: Final answer
    x = 29,201,409,391.35

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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.