Home / 14,767,198,456.81-20,378,734,864.65-8,084,195,021.65

Finding the Fourth Proportional to 14,767,198,456.81, 20,378,734,864.65 and 8,084,195,021.65

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Solution

The fourth proportional to 14,767,198,456.81, 20,378,734,864.65 and 8,084,195,021.65 is: 11,156,189,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767,198,456.81 : 20,378,734,864.65 = 8,084,195,021.65 : x
  2. Step 2: Convert to fraction form
    14,767,198,456.81/20,378,734,864.65 = 8,084,195,021.65/x
  3. Step 3: Cross multiply
    14,767,198,456.81x = 20,378,734,864.65 × 8,084,195,021.65
  4. Step 4: Simplify right side
    14,767,198,456.81x = 164,745,666,940,186,525,696
  5. Step 5: Solve for x
    x = 164,745,666,940,186,525,696/14,767,198,456.81
  6. Step 6: Final answer
    x = 11,156,189,674.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.