Home / 279,662,190,295.56-385,933,096,712.82-156,062,033,667.77

Finding the Fourth Proportional to 279,662,190,295.56, 385,933,096,712.82 and 156,062,033,667.77

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Solution

The fourth proportional to 279,662,190,295.56, 385,933,096,712.82 and 156,062,033,667.77 is: 215,365,201,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,662,190,295.56 : 385,933,096,712.82 = 156,062,033,667.77 : x
  2. Step 2: Convert to fraction form
    279,662,190,295.56/385,933,096,712.82 = 156,062,033,667.77/x
  3. Step 3: Cross multiply
    279,662,190,295.56x = 385,933,096,712.82 × 156,062,033,667.77
  4. Step 4: Simplify right side
    279,662,190,295.56x = 60,229,503,932,702,849,499,136
  5. Step 5: Solve for x
    x = 60,229,503,932,702,849,499,136/279,662,190,295.56
  6. Step 6: Final answer
    x = 215,365,201,384.75

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1.5x scale

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.