Home / 1,069,951,767.80-1,605,434,833.46-516,944,203.16

Finding the Fourth Proportional to 1,069,951,767.80, 1,605,434,833.46 and 516,944,203.16

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Solution

The fourth proportional to 1,069,951,767.80, 1,605,434,833.46 and 516,944,203.16 is: 775,661,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,951,767.80 : 1,605,434,833.46 = 516,944,203.16 : x
  2. Step 2: Convert to fraction form
    1,069,951,767.80/1,605,434,833.46 = 516,944,203.16/x
  3. Step 3: Cross multiply
    1,069,951,767.80x = 1,605,434,833.46 × 516,944,203.16
  4. Step 4: Simplify right side
    1,069,951,767.80x = 829,920,230,708,287,104
  5. Step 5: Solve for x
    x = 829,920,230,708,287,104/1,069,951,767.80
  6. Step 6: Final answer
    x = 775,661,348.19

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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.