Home / 11,915,497,363.86-16,443,385,582.68-6,906,150,441.36

Finding the Fourth Proportional to 11,915,497,363.86, 16,443,385,582.68 and 6,906,150,441.36

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Solution

The fourth proportional to 11,915,497,363.86, 16,443,385,582.68 and 6,906,150,441.36 is: 9,530,487,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915,497,363.86 : 16,443,385,582.68 = 6,906,150,441.36 : x
  2. Step 2: Convert to fraction form
    11,915,497,363.86/16,443,385,582.68 = 6,906,150,441.36/x
  3. Step 3: Cross multiply
    11,915,497,363.86x = 16,443,385,582.68 × 6,906,150,441.36
  4. Step 4: Simplify right side
    11,915,497,363.86x = 113,560,494,599,278,133,248
  5. Step 5: Solve for x
    x = 113,560,494,599,278,133,248/11,915,497,363.86
  6. Step 6: Final answer
    x = 9,530,487,157.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.