Home / 331,518,980.80-496,321,877.40-293,255,228.80

Finding the Fourth Proportional to 331,518,980.80, 496,321,877.40 and 293,255,228.80

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Solution

The fourth proportional to 331,518,980.80, 496,321,877.40 and 293,255,228.80 is: 439,036,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,518,980.80 : 496,321,877.40 = 293,255,228.80 : x
  2. Step 2: Convert to fraction form
    331,518,980.80/496,321,877.40 = 293,255,228.80/x
  3. Step 3: Cross multiply
    331,518,980.80x = 496,321,877.40 × 293,255,228.80
  4. Step 4: Simplify right side
    331,518,980.80x = 145,548,985,715,382,560
  5. Step 5: Solve for x
    x = 145,548,985,715,382,560/331,518,980.80
  6. Step 6: Final answer
    x = 439,036,658.97

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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.