Home / 331,776,163.20-497,664,244.80-263,247,830.40

Finding the Fourth Proportional to 331,776,163.20, 497,664,244.80 and 263,247,830.40

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Solution

The fourth proportional to 331,776,163.20, 497,664,244.80 and 263,247,830.40 is: 394,871,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,163.20 : 497,664,244.80 = 263,247,830.40 : x
  2. Step 2: Convert to fraction form
    331,776,163.20/497,664,244.80 = 263,247,830.40/x
  3. Step 3: Cross multiply
    331,776,163.20x = 497,664,244.80 × 263,247,830.40
  4. Step 4: Simplify right side
    331,776,163.20x = 131,009,032,711,254,496
  5. Step 5: Solve for x
    x = 131,009,032,711,254,496/331,776,163.20
  6. Step 6: Final answer
    x = 394,871,745.60

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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.