Home / 547,938,573.20-821,824,814.82-149,128,218.65

Finding the Fourth Proportional to 547,938,573.20, 821,824,814.82 and 149,128,218.65

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Solution

The fourth proportional to 547,938,573.20, 821,824,814.82 and 149,128,218.65 is: 223,669,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,938,573.20 : 821,824,814.82 = 149,128,218.65 : x
  2. Step 2: Convert to fraction form
    547,938,573.20/821,824,814.82 = 149,128,218.65/x
  3. Step 3: Cross multiply
    547,938,573.20x = 821,824,814.82 × 149,128,218.65
  4. Step 4: Simplify right side
    547,938,573.20x = 122,557,270,672,363,616
  5. Step 5: Solve for x
    x = 122,557,270,672,363,616/547,938,573.20
  6. Step 6: Final answer
    x = 223,669,726.26

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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.