Home / 443,328,009.80-664,992,014.70-413,094,921.80

Finding the Fourth Proportional to 443,328,009.80, 664,992,014.70 and 413,094,921.80

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Solution

The fourth proportional to 443,328,009.80, 664,992,014.70 and 413,094,921.80 is: 619,642,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,328,009.80 : 664,992,014.70 = 413,094,921.80 : x
  2. Step 2: Convert to fraction form
    443,328,009.80/664,992,014.70 = 413,094,921.80/x
  3. Step 3: Cross multiply
    443,328,009.80x = 664,992,014.70 × 413,094,921.80
  4. Step 4: Simplify right side
    443,328,009.80x = 274,704,824,310,120,992
  5. Step 5: Solve for x
    x = 274,704,824,310,120,992/443,328,009.80
  6. Step 6: Final answer
    x = 619,642,382.70

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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.