Home / 660,101,243.98-910,741,066.82-395,686,760.22

Finding the Fourth Proportional to 660,101,243.98, 910,741,066.82 and 395,686,760.22

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Solution

The fourth proportional to 660,101,243.98, 910,741,066.82 and 395,686,760.22 is: 545,928,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,101,243.98 : 910,741,066.82 = 395,686,760.22 : x
  2. Step 2: Convert to fraction form
    660,101,243.98/910,741,066.82 = 395,686,760.22/x
  3. Step 3: Cross multiply
    660,101,243.98x = 910,741,066.82 × 395,686,760.22
  4. Step 4: Simplify right side
    660,101,243.98x = 360,368,182,129,312,384
  5. Step 5: Solve for x
    x = 360,368,182,129,312,384/660,101,243.98
  6. Step 6: Final answer
    x = 545,928,651.73

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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.