Home / 580,064,463.78-800,505,460.92-315,763,501.38

Finding the Fourth Proportional to 580,064,463.78, 800,505,460.92 and 315,763,501.38

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Solution

The fourth proportional to 580,064,463.78, 800,505,460.92 and 315,763,501.38 is: 435,762,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,064,463.78 : 800,505,460.92 = 315,763,501.38 : x
  2. Step 2: Convert to fraction form
    580,064,463.78/800,505,460.92 = 315,763,501.38/x
  3. Step 3: Cross multiply
    580,064,463.78x = 800,505,460.92 × 315,763,501.38
  4. Step 4: Simplify right side
    580,064,463.78x = 252,770,407,213,909,952
  5. Step 5: Solve for x
    x = 252,770,407,213,909,952/580,064,463.78
  6. Step 6: Final answer
    x = 435,762,614.33

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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.