Home / 505,331,347.20-757,997,020.80-233,233,555.20

Finding the Fourth Proportional to 505,331,347.20, 757,997,020.80 and 233,233,555.20

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Solution

The fourth proportional to 505,331,347.20, 757,997,020.80 and 233,233,555.20 is: 349,850,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,331,347.20 : 757,997,020.80 = 233,233,555.20 : x
  2. Step 2: Convert to fraction form
    505,331,347.20/757,997,020.80 = 233,233,555.20/x
  3. Step 3: Cross multiply
    505,331,347.20x = 757,997,020.80 × 233,233,555.20
  4. Step 4: Simplify right side
    505,331,347.20x = 176,790,339,992,192,320
  5. Step 5: Solve for x
    x = 176,790,339,992,192,320/505,331,347.20
  6. Step 6: Final answer
    x = 349,850,332.80

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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.