Home / 481,142,128.07-663,976,413-261,125,554.07

Finding the Fourth Proportional to 481,142,128.07, 663,976,413 and 261,125,554.07

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Solution

The fourth proportional to 481,142,128.07, 663,976,413 and 261,125,554.07 is: 360,353,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,142,128.07 : 663,976,413 = 261,125,554.07 : x
  2. Step 2: Convert to fraction form
    481,142,128.07/663,976,413 = 261,125,554.07/x
  3. Step 3: Cross multiply
    481,142,128.07x = 663,976,413 × 261,125,554.07
  4. Step 4: Simplify right side
    481,142,128.07x = 173,381,208,735,696,096
  5. Step 5: Solve for x
    x = 173,381,208,735,696,096/481,142,128.07
  6. Step 6: Final answer
    x = 360,353,414.55

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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.