Home / 995,329,498.40-1,492,994,247.60-305,231,271.20

Finding the Fourth Proportional to 995,329,498.40, 1,492,994,247.60 and 305,231,271.20

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Solution

The fourth proportional to 995,329,498.40, 1,492,994,247.60 and 305,231,271.20 is: 457,846,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,329,498.40 : 1,492,994,247.60 = 305,231,271.20 : x
  2. Step 2: Convert to fraction form
    995,329,498.40/1,492,994,247.60 = 305,231,271.20/x
  3. Step 3: Cross multiply
    995,329,498.40x = 1,492,994,247.60 × 305,231,271.20
  4. Step 4: Simplify right side
    995,329,498.40x = 455,708,532,089,235,520
  5. Step 5: Solve for x
    x = 455,708,532,089,235,520/995,329,498.40
  6. Step 6: Final answer
    x = 457,846,906.80

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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.