Home / 486,705,385.85-671,652,523.73-263,692,610.23

Finding the Fourth Proportional to 486,705,385.85, 671,652,523.73 and 263,692,610.23

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Solution

The fourth proportional to 486,705,385.85, 671,652,523.73 and 263,692,610.23 is: 363,895,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,705,385.85 : 671,652,523.73 = 263,692,610.23 : x
  2. Step 2: Convert to fraction form
    486,705,385.85/671,652,523.73 = 263,692,610.23/x
  3. Step 3: Cross multiply
    486,705,385.85x = 671,652,523.73 × 263,692,610.23
  4. Step 4: Simplify right side
    486,705,385.85x = 177,109,807,150,358,912
  5. Step 5: Solve for x
    x = 177,109,807,150,358,912/486,705,385.85
  6. Step 6: Final answer
    x = 363,895,309.77

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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.