Home / 419,877,936.90-579,431,802.21-234,238,952.60

Finding the Fourth Proportional to 419,877,936.90, 579,431,802.21 and 234,238,952.60

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Solution

The fourth proportional to 419,877,936.90, 579,431,802.21 and 234,238,952.60 is: 323,249,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,877,936.90 : 579,431,802.21 = 234,238,952.60 : x
  2. Step 2: Convert to fraction form
    419,877,936.90/579,431,802.21 = 234,238,952.60/x
  3. Step 3: Cross multiply
    419,877,936.90x = 579,431,802.21 × 234,238,952.60
  4. Step 4: Simplify right side
    419,877,936.90x = 135,725,498,449,903,616
  5. Step 5: Solve for x
    x = 135,725,498,449,903,616/419,877,936.90
  6. Step 6: Final answer
    x = 323,249,893.65

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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.