Home / 420,060,524.00-579,692,802.56-231,888,372.17

Finding the Fourth Proportional to 420,060,524.00, 579,692,802.56 and 231,888,372.17

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Solution

The fourth proportional to 420,060,524.00, 579,692,802.56 and 231,888,372.17 is: 320,011,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060,524.00 : 579,692,802.56 = 231,888,372.17 : x
  2. Step 2: Convert to fraction form
    420,060,524.00/579,692,802.56 = 231,888,372.17/x
  3. Step 3: Cross multiply
    420,060,524.00x = 579,692,802.56 × 231,888,372.17
  4. Step 4: Simplify right side
    420,060,524.00x = 134,424,020,340,245,680
  5. Step 5: Solve for x
    x = 134,424,020,340,245,680/420,060,524.00
  6. Step 6: Final answer
    x = 320,011,076.17

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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.