Home / 504,455,428.20-756,683,142.30-296,980,861.80

Finding the Fourth Proportional to 504,455,428.20, 756,683,142.30 and 296,980,861.80

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Solution

The fourth proportional to 504,455,428.20, 756,683,142.30 and 296,980,861.80 is: 445,471,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,455,428.20 : 756,683,142.30 = 296,980,861.80 : x
  2. Step 2: Convert to fraction form
    504,455,428.20/756,683,142.30 = 296,980,861.80/x
  3. Step 3: Cross multiply
    504,455,428.20x = 756,683,142.30 × 296,980,861.80
  4. Step 4: Simplify right side
    504,455,428.20x = 224,720,411,709,786,016
  5. Step 5: Solve for x
    x = 224,720,411,709,786,016/504,455,428.20
  6. Step 6: Final answer
    x = 445,471,292.70

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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.