Home / 378,358,654.44-522,134,712.18-204,518,398.44

Finding the Fourth Proportional to 378,358,654.44, 522,134,712.18 and 204,518,398.44

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Solution

The fourth proportional to 378,358,654.44, 522,134,712.18 and 204,518,398.44 is: 282,235,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358,654.44 : 522,134,712.18 = 204,518,398.44 : x
  2. Step 2: Convert to fraction form
    378,358,654.44/522,134,712.18 = 204,518,398.44/x
  3. Step 3: Cross multiply
    378,358,654.44x = 522,134,712.18 × 204,518,398.44
  4. Step 4: Simplify right side
    378,358,654.44x = 106,786,155,104,983,968
  5. Step 5: Solve for x
    x = 106,786,155,104,983,968/378,358,654.44
  6. Step 6: Final answer
    x = 282,235,265.01

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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.