Home / 298,670,542.62-412,034,594.21-284,823,286.77

Finding the Fourth Proportional to 298,670,542.62, 412,034,594.21 and 284,823,286.77

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Solution

The fourth proportional to 298,670,542.62, 412,034,594.21 and 284,823,286.77 is: 392,931,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,670,542.62 : 412,034,594.21 = 284,823,286.77 : x
  2. Step 2: Convert to fraction form
    298,670,542.62/412,034,594.21 = 284,823,286.77/x
  3. Step 3: Cross multiply
    298,670,542.62x = 412,034,594.21 × 284,823,286.77
  4. Step 4: Simplify right side
    298,670,542.62x = 117,357,047,387,024,512
  5. Step 5: Solve for x
    x = 117,357,047,387,024,512/298,670,542.62
  6. Step 6: Final answer
    x = 392,931,443.32

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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.