Home / 355,381,588.82-532,783,576.20-148,274,372.81

Finding the Fourth Proportional to 355,381,588.82, 532,783,576.20 and 148,274,372.81

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Solution

The fourth proportional to 355,381,588.82, 532,783,576.20 and 148,274,372.81 is: 222,291,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,381,588.82 : 532,783,576.20 = 148,274,372.81 : x
  2. Step 2: Convert to fraction form
    355,381,588.82/532,783,576.20 = 148,274,372.81/x
  3. Step 3: Cross multiply
    355,381,588.82x = 532,783,576.20 × 148,274,372.81
  4. Step 4: Simplify right side
    355,381,588.82x = 78,998,150,606,411,840
  5. Step 5: Solve for x
    x = 78,998,150,606,411,840/355,381,588.82
  6. Step 6: Final answer
    x = 222,291,061.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.