Home / 429,968,782,211.10-644,929,066,550.25-131,847,897,506.46

Finding the Fourth Proportional to 429,968,782,211.10, 644,929,066,550.25 and 131,847,897,506.46

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Solution

The fourth proportional to 429,968,782,211.10, 644,929,066,550.25 and 131,847,897,506.46 is: 197,764,454,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,968,782,211.10 : 644,929,066,550.25 = 131,847,897,506.46 : x
  2. Step 2: Convert to fraction form
    429,968,782,211.10/644,929,066,550.25 = 131,847,897,506.46/x
  3. Step 3: Cross multiply
    429,968,782,211.10x = 644,929,066,550.25 × 131,847,897,506.46
  4. Step 4: Simplify right side
    429,968,782,211.10x = 85,032,541,465,454,294,597,632
  5. Step 5: Solve for x
    x = 85,032,541,465,454,294,597,632/429,968,782,211.10
  6. Step 6: Final answer
    x = 197,764,454,033.56

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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.