Home / 373,192,655.26-515,016,791.98-203,657,817.21

Finding the Fourth Proportional to 373,192,655.26, 515,016,791.98 and 203,657,817.21

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Solution

The fourth proportional to 373,192,655.26, 515,016,791.98 and 203,657,817.21 is: 281,053,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,192,655.26 : 515,016,791.98 = 203,657,817.21 : x
  2. Step 2: Convert to fraction form
    373,192,655.26/515,016,791.98 = 203,657,817.21/x
  3. Step 3: Cross multiply
    373,192,655.26x = 515,016,791.98 × 203,657,817.21
  4. Step 4: Simplify right side
    373,192,655.26x = 104,887,195,681,143,440
  5. Step 5: Solve for x
    x = 104,887,195,681,143,440/373,192,655.26
  6. Step 6: Final answer
    x = 281,053,751.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.