Home / 419,877,935.40-579,431,800.14-234,238,951.09

Finding the Fourth Proportional to 419,877,935.40, 579,431,800.14 and 234,238,951.09

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Solution

The fourth proportional to 419,877,935.40, 579,431,800.14 and 234,238,951.09 is: 323,249,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,877,935.40 : 579,431,800.14 = 234,238,951.09 : x
  2. Step 2: Convert to fraction form
    419,877,935.40/579,431,800.14 = 234,238,951.09/x
  3. Step 3: Cross multiply
    419,877,935.40x = 579,431,800.14 × 234,238,951.09
  4. Step 4: Simplify right side
    419,877,935.40x = 135,725,497,092,682,816
  5. Step 5: Solve for x
    x = 135,725,497,092,682,816/419,877,935.40
  6. Step 6: Final answer
    x = 323,249,891.57

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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.