Home / 994,540,638.20-1,491,556,492.98-294,869,166.32

Finding the Fourth Proportional to 994,540,638.20, 1,491,556,492.98 and 294,869,166.32

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Solution

The fourth proportional to 994,540,638.20, 1,491,556,492.98 and 294,869,166.32 is: 442,228,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,540,638.20 : 1,491,556,492.98 = 294,869,166.32 : x
  2. Step 2: Convert to fraction form
    994,540,638.20/1,491,556,492.98 = 294,869,166.32/x
  3. Step 3: Cross multiply
    994,540,638.20x = 1,491,556,492.98 × 294,869,166.32
  4. Step 4: Simplify right side
    994,540,638.20x = 439,814,019,604,195,520
  5. Step 5: Solve for x
    x = 439,814,019,604,195,520/994,540,638.20
  6. Step 6: Final answer
    x = 442,228,303.91

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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.