Home / 456,192,001.80-684,288,002.70-115,789,825.80

Finding the Fourth Proportional to 456,192,001.80, 684,288,002.70 and 115,789,825.80

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Solution

The fourth proportional to 456,192,001.80, 684,288,002.70 and 115,789,825.80 is: 173,684,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192,001.80 : 684,288,002.70 = 115,789,825.80 : x
  2. Step 2: Convert to fraction form
    456,192,001.80/684,288,002.70 = 115,789,825.80/x
  3. Step 3: Cross multiply
    456,192,001.80x = 684,288,002.70 × 115,789,825.80
  4. Step 4: Simplify right side
    456,192,001.80x = 79,233,588,629,662,928
  5. Step 5: Solve for x
    x = 79,233,588,629,662,928/456,192,001.80
  6. Step 6: Final answer
    x = 173,684,738.70

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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.