Home / 422,575,656.88-582,939,780.60-275,983,749.04

Finding the Fourth Proportional to 422,575,656.88, 582,939,780.60 and 275,983,749.04

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Solution

The fourth proportional to 422,575,656.88, 582,939,780.60 and 275,983,749.04 is: 380,717,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,575,656.88 : 582,939,780.60 = 275,983,749.04 : x
  2. Step 2: Convert to fraction form
    422,575,656.88/582,939,780.60 = 275,983,749.04/x
  3. Step 3: Cross multiply
    422,575,656.88x = 582,939,780.60 × 275,983,749.04
  4. Step 4: Simplify right side
    422,575,656.88x = 160,881,906,114,543,072
  5. Step 5: Solve for x
    x = 160,881,906,114,543,072/422,575,656.88
  6. Step 6: Final answer
    x = 380,717,401.71

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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.