Home / 499,025,659.86-748,379,297.31-171,422,176.92

Finding the Fourth Proportional to 499,025,659.86, 748,379,297.31 and 171,422,176.92

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Solution

The fourth proportional to 499,025,659.86, 748,379,297.31 and 171,422,176.92 is: 257,078,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,025,659.86 : 748,379,297.31 = 171,422,176.92 : x
  2. Step 2: Convert to fraction form
    499,025,659.86/748,379,297.31 = 171,422,176.92/x
  3. Step 3: Cross multiply
    499,025,659.86x = 748,379,297.31 × 171,422,176.92
  4. Step 4: Simplify right side
    499,025,659.86x = 128,288,808,306,740,080
  5. Step 5: Solve for x
    x = 128,288,808,306,740,080/499,025,659.86
  6. Step 6: Final answer
    x = 257,078,580.57

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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.