Home / 19,659,369,910.19-29,510,040,123.24-8,472,764,715.62

Finding the Fourth Proportional to 19,659,369,910.19, 29,510,040,123.24 and 8,472,764,715.62

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Solution

The fourth proportional to 19,659,369,910.19, 29,510,040,123.24 and 8,472,764,715.62 is: 12,718,191,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,369,910.19 : 29,510,040,123.24 = 8,472,764,715.62 : x
  2. Step 2: Convert to fraction form
    19,659,369,910.19/29,510,040,123.24 = 8,472,764,715.62/x
  3. Step 3: Cross multiply
    19,659,369,910.19x = 29,510,040,123.24 × 8,472,764,715.62
  4. Step 4: Simplify right side
    19,659,369,910.19x = 250,031,626,712,570,789,888
  5. Step 5: Solve for x
    x = 250,031,626,712,570,789,888/19,659,369,910.19
  6. Step 6: Final answer
    x = 12,718,191,267.31

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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.