Home / 378,358,388.94-522,134,345.79-204,518,132.94

Finding the Fourth Proportional to 378,358,388.94, 522,134,345.79 and 204,518,132.94

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Solution

The fourth proportional to 378,358,388.94, 522,134,345.79 and 204,518,132.94 is: 282,234,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358,388.94 : 522,134,345.79 = 204,518,132.94 : x
  2. Step 2: Convert to fraction form
    378,358,388.94/522,134,345.79 = 204,518,132.94/x
  3. Step 3: Cross multiply
    378,358,388.94x = 522,134,345.79 × 204,518,132.94
  4. Step 4: Simplify right side
    378,358,388.94x = 106,785,941,544,819,152
  5. Step 5: Solve for x
    x = 106,785,941,544,819,152/378,358,388.94
  6. Step 6: Final answer
    x = 282,234,898.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.