Home / 20,769,702,400.80-31,154,553,601.20-13,030,031,872.80

Finding the Fourth Proportional to 20,769,702,400.80, 31,154,553,601.20 and 13,030,031,872.80

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Solution

The fourth proportional to 20,769,702,400.80, 31,154,553,601.20 and 13,030,031,872.80 is: 19,545,047,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,702,400.80 : 31,154,553,601.20 = 13,030,031,872.80 : x
  2. Step 2: Convert to fraction form
    20,769,702,400.80/31,154,553,601.20 = 13,030,031,872.80/x
  3. Step 3: Cross multiply
    20,769,702,400.80x = 31,154,553,601.20 × 13,030,031,872.80
  4. Step 4: Simplify right side
    20,769,702,400.80x = 405,944,826,406,491,979,776
  5. Step 5: Solve for x
    x = 405,944,826,406,491,979,776/20,769,702,400.80
  6. Step 6: Final answer
    x = 19,545,047,809.20

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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.