Home / 429,968,782,212.60-644,929,066,552.50-131,847,897,507.96

Finding the Fourth Proportional to 429,968,782,212.60, 644,929,066,552.50 and 131,847,897,507.96

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Solution

The fourth proportional to 429,968,782,212.60, 644,929,066,552.50 and 131,847,897,507.96 is: 197,764,454,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,968,782,212.60 : 644,929,066,552.50 = 131,847,897,507.96 : x
  2. Step 2: Convert to fraction form
    429,968,782,212.60/644,929,066,552.50 = 131,847,897,507.96/x
  3. Step 3: Cross multiply
    429,968,782,212.60x = 644,929,066,552.50 × 131,847,897,507.96
  4. Step 4: Simplify right side
    429,968,782,212.60x = 85,032,541,466,718,340,382,720
  5. Step 5: Solve for x
    x = 85,032,541,466,718,340,382,720/429,968,782,212.60
  6. Step 6: Final answer
    x = 197,764,454,035.81

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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.