Home / 378,212,687.62-566,155,454.10-246,771,938.68

Finding the Fourth Proportional to 378,212,687.62, 566,155,454.10 and 246,771,938.68

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Solution

The fourth proportional to 378,212,687.62, 566,155,454.10 and 246,771,938.68 is: 369,398,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,212,687.62 : 566,155,454.10 = 246,771,938.68 : x
  2. Step 2: Convert to fraction form
    378,212,687.62/566,155,454.10 = 246,771,938.68/x
  3. Step 3: Cross multiply
    378,212,687.62x = 566,155,454.10 × 246,771,938.68
  4. Step 4: Simplify right side
    378,212,687.62x = 139,711,279,001,381,168
  5. Step 5: Solve for x
    x = 139,711,279,001,381,168/378,212,687.62
  6. Step 6: Final answer
    x = 369,398,710.23

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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.