Home / 667,309,466.70-1,000,964,200.05-207,294,137.10

Finding the Fourth Proportional to 667,309,466.70, 1,000,964,200.05 and 207,294,137.10

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Solution

The fourth proportional to 667,309,466.70, 1,000,964,200.05 and 207,294,137.10 is: 310,941,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,309,466.70 : 1,000,964,200.05 = 207,294,137.10 : x
  2. Step 2: Convert to fraction form
    667,309,466.70/1,000,964,200.05 = 207,294,137.10/x
  3. Step 3: Cross multiply
    667,309,466.70x = 1,000,964,200.05 × 207,294,137.10
  4. Step 4: Simplify right side
    667,309,466.70x = 207,494,010,117,356,512
  5. Step 5: Solve for x
    x = 207,494,010,117,356,512/667,309,466.70
  6. Step 6: Final answer
    x = 310,941,205.65

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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.