Home / 414,876,510.68-622,382,303.38-193,768,957.24

Finding the Fourth Proportional to 414,876,510.68, 622,382,303.38 and 193,768,957.24

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Solution

The fourth proportional to 414,876,510.68, 622,382,303.38 and 193,768,957.24 is: 290,684,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,876,510.68 : 622,382,303.38 = 193,768,957.24 : x
  2. Step 2: Convert to fraction form
    414,876,510.68/622,382,303.38 = 193,768,957.24/x
  3. Step 3: Cross multiply
    414,876,510.68x = 622,382,303.38 × 193,768,957.24
  4. Step 4: Simplify right side
    414,876,510.68x = 120,598,369,930,571,936
  5. Step 5: Solve for x
    x = 120,598,369,930,571,936/414,876,510.68
  6. Step 6: Final answer
    x = 290,684,979.33

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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.