Home / 810,523,611.34-1,118,523,540.20-439,245,642.71

Finding the Fourth Proportional to 810,523,611.34, 1,118,523,540.20 and 439,245,642.71

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Solution

The fourth proportional to 810,523,611.34, 1,118,523,540.20 and 439,245,642.71 is: 606,159,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,611.34 : 1,118,523,540.20 = 439,245,642.71 : x
  2. Step 2: Convert to fraction form
    810,523,611.34/1,118,523,540.20 = 439,245,642.71/x
  3. Step 3: Cross multiply
    810,523,611.34x = 1,118,523,540.20 × 439,245,642.71
  4. Step 4: Simplify right side
    810,523,611.34x = 491,306,591,302,013,568
  5. Step 5: Solve for x
    x = 491,306,591,302,013,568/810,523,611.34
  6. Step 6: Final answer
    x = 606,159,505.32

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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.