Home / 379,056,494.00-571,172,079.56-311,483,020.59

Finding the Fourth Proportional to 379,056,494.00, 571,172,079.56 and 311,483,020.59

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Solution

The fourth proportional to 379,056,494.00, 571,172,079.56 and 311,483,020.59 is: 469,350,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,056,494.00 : 571,172,079.56 = 311,483,020.59 : x
  2. Step 2: Convert to fraction form
    379,056,494.00/571,172,079.56 = 311,483,020.59/x
  3. Step 3: Cross multiply
    379,056,494.00x = 571,172,079.56 × 311,483,020.59
  4. Step 4: Simplify right side
    379,056,494.00x = 177,910,404,616,463,136
  5. Step 5: Solve for x
    x = 177,910,404,616,463,136/379,056,494.00
  6. Step 6: Final answer
    x = 469,350,630.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.