Home / 373,781,262.40-515,823,554.08-206,521,371.84

Finding the Fourth Proportional to 373,781,262.40, 515,823,554.08 and 206,521,371.84

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Solution

The fourth proportional to 373,781,262.40, 515,823,554.08 and 206,521,371.84 is: 285,002,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,781,262.40 : 515,823,554.08 = 206,521,371.84 : x
  2. Step 2: Convert to fraction form
    373,781,262.40/515,823,554.08 = 206,521,371.84/x
  3. Step 3: Cross multiply
    373,781,262.40x = 515,823,554.08 × 206,521,371.84
  4. Step 4: Simplify right side
    373,781,262.40x = 106,528,588,015,986,032
  5. Step 5: Solve for x
    x = 106,528,588,015,986,032/373,781,262.40
  6. Step 6: Final answer
    x = 285,002,483.36

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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.