Home / 517,885,299.54-776,939,923.71-275,512,978.26

Finding the Fourth Proportional to 517,885,299.54, 776,939,923.71 and 275,512,978.26

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Solution

The fourth proportional to 517,885,299.54, 776,939,923.71 and 275,512,978.26 is: 413,329,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,885,299.54 : 776,939,923.71 = 275,512,978.26 : x
  2. Step 2: Convert to fraction form
    517,885,299.54/776,939,923.71 = 275,512,978.26/x
  3. Step 3: Cross multiply
    517,885,299.54x = 776,939,923.71 × 275,512,978.26
  4. Step 4: Simplify right side
    517,885,299.54x = 214,057,032,310,439,296
  5. Step 5: Solve for x
    x = 214,057,032,310,439,296/517,885,299.54
  6. Step 6: Final answer
    x = 413,329,037.34

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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.