Home / 330,151,072.20-494,050,877.10-287,488,825.80

Finding the Fourth Proportional to 330,151,072.20, 494,050,877.10 and 287,488,825.80

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Solution

The fourth proportional to 330,151,072.20, 494,050,877.10 and 287,488,825.80 is: 430,209,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,151,072.20 : 494,050,877.10 = 287,488,825.80 : x
  2. Step 2: Convert to fraction form
    330,151,072.20/494,050,877.10 = 287,488,825.80/x
  3. Step 3: Cross multiply
    330,151,072.20x = 494,050,877.10 × 287,488,825.80
  4. Step 4: Simplify right side
    330,151,072.20x = 142,034,106,542,939,120
  5. Step 5: Solve for x
    x = 142,034,106,542,939,120/330,151,072.20
  6. Step 6: Final answer
    x = 430,209,435.93

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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.