Home / 570,590,198.87-855,287,939.66-238,787,313.53

Finding the Fourth Proportional to 570,590,198.87, 855,287,939.66 and 238,787,313.53

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Solution

The fourth proportional to 570,590,198.87, 855,287,939.66 and 238,787,313.53 is: 357,930,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,590,198.87 : 855,287,939.66 = 238,787,313.53 : x
  2. Step 2: Convert to fraction form
    570,590,198.87/855,287,939.66 = 238,787,313.53/x
  3. Step 3: Cross multiply
    570,590,198.87x = 855,287,939.66 × 238,787,313.53
  4. Step 4: Simplify right side
    570,590,198.87x = 204,231,909,405,896,544
  5. Step 5: Solve for x
    x = 204,231,909,405,896,544/570,590,198.87
  6. Step 6: Final answer
    x = 357,930,980.61

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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.