Home / 399,425,295.10-599,137,942.65-157,096,104.70

Finding the Fourth Proportional to 399,425,295.10, 599,137,942.65 and 157,096,104.70

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Solution

The fourth proportional to 399,425,295.10, 599,137,942.65 and 157,096,104.70 is: 235,644,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,425,295.10 : 599,137,942.65 = 157,096,104.70 : x
  2. Step 2: Convert to fraction form
    399,425,295.10/599,137,942.65 = 157,096,104.70/x
  3. Step 3: Cross multiply
    399,425,295.10x = 599,137,942.65 × 157,096,104.70
  4. Step 4: Simplify right side
    399,425,295.10x = 94,122,236,968,286,992
  5. Step 5: Solve for x
    x = 94,122,236,968,286,992/399,425,295.10
  6. Step 6: Final answer
    x = 235,644,157.05

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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.