Home / 818,755,213.56-1,227,683,063.78-403,317,942.36

Finding the Fourth Proportional to 818,755,213.56, 1,227,683,063.78 and 403,317,942.36

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Solution

The fourth proportional to 818,755,213.56, 1,227,683,063.78 and 403,317,942.36 is: 604,755,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,755,213.56 : 1,227,683,063.78 = 403,317,942.36 : x
  2. Step 2: Convert to fraction form
    818,755,213.56/1,227,683,063.78 = 403,317,942.36/x
  3. Step 3: Cross multiply
    818,755,213.56x = 1,227,683,063.78 × 403,317,942.36
  4. Step 4: Simplify right side
    818,755,213.56x = 495,146,607,151,104,192
  5. Step 5: Solve for x
    x = 495,146,607,151,104,192/818,755,213.56
  6. Step 6: Final answer
    x = 604,755,363.94

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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.