Home / 622,172,065,962.68-858,735,576,034.36-378,249,704,488.80

Finding the Fourth Proportional to 622,172,065,962.68, 858,735,576,034.36 and 378,249,704,488.80

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Solution

The fourth proportional to 622,172,065,962.68, 858,735,576,034.36 and 378,249,704,488.80 is: 522,068,565,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,172,065,962.68 : 858,735,576,034.36 = 378,249,704,488.80 : x
  2. Step 2: Convert to fraction form
    622,172,065,962.68/858,735,576,034.36 = 378,249,704,488.80/x
  3. Step 3: Cross multiply
    622,172,065,962.68x = 858,735,576,034.36 × 378,249,704,488.80
  4. Step 4: Simplify right side
    622,172,065,962.68x = 324,816,477,869,016,115,838,976
  5. Step 5: Solve for x
    x = 324,816,477,869,016,115,838,976/622,172,065,962.68
  6. Step 6: Final answer
    x = 522,068,565,335.59

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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.