Home / 12,508,426,899.80-18,765,816,187.98-5,790,412,132.28

Finding the Fourth Proportional to 12,508,426,899.80, 18,765,816,187.98 and 5,790,412,132.28

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Solution

The fourth proportional to 12,508,426,899.80, 18,765,816,187.98 and 5,790,412,132.28 is: 8,687,088,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,426,899.80 : 18,765,816,187.98 = 5,790,412,132.28 : x
  2. Step 2: Convert to fraction form
    12,508,426,899.80/18,765,816,187.98 = 5,790,412,132.28/x
  3. Step 3: Cross multiply
    12,508,426,899.80x = 18,765,816,187.98 × 5,790,412,132.28
  4. Step 4: Simplify right side
    12,508,426,899.80x = 108,661,809,727,015,813,120
  5. Step 5: Solve for x
    x = 108,661,809,727,015,813,120/12,508,426,899.80
  6. Step 6: Final answer
    x = 8,687,088,360.31

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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.