Home / 384,121,078.42-576,180,762.57-296,809,553.96

Finding the Fourth Proportional to 384,121,078.42, 576,180,762.57 and 296,809,553.96

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Solution

The fourth proportional to 384,121,078.42, 576,180,762.57 and 296,809,553.96 is: 445,213,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,121,078.42 : 576,180,762.57 = 296,809,553.96 : x
  2. Step 2: Convert to fraction form
    384,121,078.42/576,180,762.57 = 296,809,553.96/x
  3. Step 3: Cross multiply
    384,121,078.42x = 576,180,762.57 × 296,809,553.96
  4. Step 4: Simplify right side
    384,121,078.42x = 171,015,955,139,432,768
  5. Step 5: Solve for x
    x = 171,015,955,139,432,768/384,121,078.42
  6. Step 6: Final answer
    x = 445,213,670.24

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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.