Home / 413,871,791.06-620,296,488.25-355,166,825.30

Finding the Fourth Proportional to 413,871,791.06, 620,296,488.25 and 355,166,825.30

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Solution

The fourth proportional to 413,871,791.06, 620,296,488.25 and 355,166,825.30 is: 532,311,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,871,791.06 : 620,296,488.25 = 355,166,825.30 : x
  2. Step 2: Convert to fraction form
    413,871,791.06/620,296,488.25 = 355,166,825.30/x
  3. Step 3: Cross multiply
    413,871,791.06x = 620,296,488.25 × 355,166,825.30
  4. Step 4: Simplify right side
    413,871,791.06x = 220,308,734,472,057,920
  5. Step 5: Solve for x
    x = 220,308,734,472,057,920/413,871,791.06
  6. Step 6: Final answer
    x = 532,311,549.69

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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.