Home / 413,871,791.50-620,296,488.90-355,166,825.73

Finding the Fourth Proportional to 413,871,791.50, 620,296,488.90 and 355,166,825.73

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Solution

The fourth proportional to 413,871,791.50, 620,296,488.90 and 355,166,825.73 is: 532,311,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,871,791.50 : 620,296,488.90 = 355,166,825.73 : x
  2. Step 2: Convert to fraction form
    413,871,791.50/620,296,488.90 = 355,166,825.73/x
  3. Step 3: Cross multiply
    413,871,791.50x = 620,296,488.90 × 355,166,825.73
  4. Step 4: Simplify right side
    413,871,791.50x = 220,308,734,975,918,176
  5. Step 5: Solve for x
    x = 220,308,734,975,918,176/413,871,791.50
  6. Step 6: Final answer
    x = 532,311,550.35

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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.