Home / 306,218,223,015.40-459,327,334,523.10-82,627,814,578.60

Finding the Fourth Proportional to 306,218,223,015.40, 459,327,334,523.10 and 82,627,814,578.60

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Solution

The fourth proportional to 306,218,223,015.40, 459,327,334,523.10 and 82,627,814,578.60 is: 123,941,721,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,218,223,015.40 : 459,327,334,523.10 = 82,627,814,578.60 : x
  2. Step 2: Convert to fraction form
    306,218,223,015.40/459,327,334,523.10 = 82,627,814,578.60/x
  3. Step 3: Cross multiply
    306,218,223,015.40x = 459,327,334,523.10 × 82,627,814,578.60
  4. Step 4: Simplify right side
    306,218,223,015.40x = 37,953,213,827,857,285,906,432
  5. Step 5: Solve for x
    x = 37,953,213,827,857,285,906,432/306,218,223,015.40
  6. Step 6: Final answer
    x = 123,941,721,867.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.