Home / 467,283,575.20-644,825,211.60-255,548,590.24

Finding the Fourth Proportional to 467,283,575.20, 644,825,211.60 and 255,548,590.24

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Solution

The fourth proportional to 467,283,575.20, 644,825,211.60 and 255,548,590.24 is: 352,642,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,283,575.20 : 644,825,211.60 = 255,548,590.24 : x
  2. Step 2: Convert to fraction form
    467,283,575.20/644,825,211.60 = 255,548,590.24/x
  3. Step 3: Cross multiply
    467,283,575.20x = 644,825,211.60 × 255,548,590.24
  4. Step 4: Simplify right side
    467,283,575.20x = 164,784,173,775,589,696
  5. Step 5: Solve for x
    x = 164,784,173,775,589,696/467,283,575.20
  6. Step 6: Final answer
    x = 352,642,768.80

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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.