Home / 500,959,650.56-691,300,895.96-277,938,958.68

Finding the Fourth Proportional to 500,959,650.56, 691,300,895.96 and 277,938,958.68

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Solution

The fourth proportional to 500,959,650.56, 691,300,895.96 and 277,938,958.68 is: 383,542,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,959,650.56 : 691,300,895.96 = 277,938,958.68 : x
  2. Step 2: Convert to fraction form
    500,959,650.56/691,300,895.96 = 277,938,958.68/x
  3. Step 3: Cross multiply
    500,959,650.56x = 691,300,895.96 × 277,938,958.68
  4. Step 4: Simplify right side
    500,959,650.56x = 192,139,451,157,673,440
  5. Step 5: Solve for x
    x = 192,139,451,157,673,440/500,959,650.56
  6. Step 6: Final answer
    x = 383,542,768.25

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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.