Home / 452,290,714.80-678,436,072.20-193,532,091.90

Finding the Fourth Proportional to 452,290,714.80, 678,436,072.20 and 193,532,091.90

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Solution

The fourth proportional to 452,290,714.80, 678,436,072.20 and 193,532,091.90 is: 290,298,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,290,714.80 : 678,436,072.20 = 193,532,091.90 : x
  2. Step 2: Convert to fraction form
    452,290,714.80/678,436,072.20 = 193,532,091.90/x
  3. Step 3: Cross multiply
    452,290,714.80x = 678,436,072.20 × 193,532,091.90
  4. Step 4: Simplify right side
    452,290,714.80x = 131,299,152,273,285,456
  5. Step 5: Solve for x
    x = 131,299,152,273,285,456/452,290,714.80
  6. Step 6: Final answer
    x = 290,298,137.85

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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.