Home / 20,769,702,405.80-31,154,553,608.70-13,030,031,877.80

Finding the Fourth Proportional to 20,769,702,405.80, 31,154,553,608.70 and 13,030,031,877.80

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Solution

The fourth proportional to 20,769,702,405.80, 31,154,553,608.70 and 13,030,031,877.80 is: 19,545,047,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,702,405.80 : 31,154,553,608.70 = 13,030,031,877.80 : x
  2. Step 2: Convert to fraction form
    20,769,702,405.80/31,154,553,608.70 = 13,030,031,877.80/x
  3. Step 3: Cross multiply
    20,769,702,405.80x = 31,154,553,608.70 × 13,030,031,877.80
  4. Step 4: Simplify right side
    20,769,702,405.80x = 405,944,826,659,990,011,904
  5. Step 5: Solve for x
    x = 405,944,826,659,990,011,904/20,769,702,405.80
  6. Step 6: Final answer
    x = 19,545,047,816.70

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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.