Home / 1,489,526,933.18-2,055,471,198.45-820,457,574.98

Finding the Fourth Proportional to 1,489,526,933.18, 2,055,471,198.45 and 820,457,574.98

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Solution

The fourth proportional to 1,489,526,933.18, 2,055,471,198.45 and 820,457,574.98 is: 1,132,189,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,526,933.18 : 2,055,471,198.45 = 820,457,574.98 : x
  2. Step 2: Convert to fraction form
    1,489,526,933.18/2,055,471,198.45 = 820,457,574.98/x
  3. Step 3: Cross multiply
    1,489,526,933.18x = 2,055,471,198.45 × 820,457,574.98
  4. Step 4: Simplify right side
    1,489,526,933.18x = 1,686,426,914,921,521,408
  5. Step 5: Solve for x
    x = 1,686,426,914,921,521,408/1,489,526,933.18
  6. Step 6: Final answer
    x = 1,132,189,608.23

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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.