Home / 442,904,433.20-664,353,150.60-115,379,313.20

Finding the Fourth Proportional to 442,904,433.20, 664,353,150.60 and 115,379,313.20

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Solution

The fourth proportional to 442,904,433.20, 664,353,150.60 and 115,379,313.20 is: 173,068,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,433.20 : 664,353,150.60 = 115,379,313.20 : x
  2. Step 2: Convert to fraction form
    442,904,433.20/664,353,150.60 = 115,379,313.20/x
  3. Step 3: Cross multiply
    442,904,433.20x = 664,353,150.60 × 115,379,313.20
  4. Step 4: Simplify right side
    442,904,433.20x = 76,652,610,238,484,176
  5. Step 5: Solve for x
    x = 76,652,610,238,484,176/442,904,433.20
  6. Step 6: Final answer
    x = 173,068,058.24

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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.