Home / 1,165,261,122.12-1,608,060,993.71-629,412,784.64

Finding the Fourth Proportional to 1,165,261,122.12, 1,608,060,993.71 and 629,412,784.64

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Solution

The fourth proportional to 1,165,261,122.12, 1,608,060,993.71 and 629,412,784.64 is: 868,589,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,261,122.12 : 1,608,060,993.71 = 629,412,784.64 : x
  2. Step 2: Convert to fraction form
    1,165,261,122.12/1,608,060,993.71 = 629,412,784.64/x
  3. Step 3: Cross multiply
    1,165,261,122.12x = 1,608,060,993.71 × 629,412,784.64
  4. Step 4: Simplify right side
    1,165,261,122.12x = 1,012,134,147,921,976,576
  5. Step 5: Solve for x
    x = 1,012,134,147,921,976,576/1,165,261,122.12
  6. Step 6: Final answer
    x = 868,589,991.30

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1.5x scale

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.