Home / 544,968,434.90-753,040,190.01-388,063,136.66

Finding the Fourth Proportional to 544,968,434.90, 753,040,190.01 and 388,063,136.66

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Solution

The fourth proportional to 544,968,434.90, 753,040,190.01 and 388,063,136.66 is: 536,227,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,968,434.90 : 753,040,190.01 = 388,063,136.66 : x
  2. Step 2: Convert to fraction form
    544,968,434.90/753,040,190.01 = 388,063,136.66/x
  3. Step 3: Cross multiply
    544,968,434.90x = 753,040,190.01 × 388,063,136.66
  4. Step 4: Simplify right side
    544,968,434.90x = 292,227,138,166,323,008
  5. Step 5: Solve for x
    x = 292,227,138,166,323,008/544,968,434.90
  6. Step 6: Final answer
    x = 536,227,640.82

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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.