Home / 481,198,078.34-664,035,566.73-261,176,780.42

Finding the Fourth Proportional to 481,198,078.34, 664,035,566.73 and 261,176,780.42

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Solution

The fourth proportional to 481,198,078.34, 664,035,566.73 and 261,176,780.42 is: 360,414,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,198,078.34 : 664,035,566.73 = 261,176,780.42 : x
  2. Step 2: Convert to fraction form
    481,198,078.34/664,035,566.73 = 261,176,780.42/x
  3. Step 3: Cross multiply
    481,198,078.34x = 664,035,566.73 × 261,176,780.42
  4. Step 4: Simplify right side
    481,198,078.34x = 173,430,671,402,911,456
  5. Step 5: Solve for x
    x = 173,430,671,402,911,456/481,198,078.34
  6. Step 6: Final answer
    x = 360,414,305.89

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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.