Home / 995,328,132.40-1,492,992,198.60-305,229,905.20

Finding the Fourth Proportional to 995,328,132.40, 1,492,992,198.60 and 305,229,905.20

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Solution

The fourth proportional to 995,328,132.40, 1,492,992,198.60 and 305,229,905.20 is: 457,844,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,132.40 : 1,492,992,198.60 = 305,229,905.20 : x
  2. Step 2: Convert to fraction form
    995,328,132.40/1,492,992,198.60 = 305,229,905.20/x
  3. Step 3: Cross multiply
    995,328,132.40x = 1,492,992,198.60 × 305,229,905.20
  4. Step 4: Simplify right side
    995,328,132.40x = 455,705,867,243,017,536
  5. Step 5: Solve for x
    x = 455,705,867,243,017,536/995,328,132.40
  6. Step 6: Final answer
    x = 457,844,857.80

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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.