Home / 885,100,931.20-1,324,964,011.20-788,355,049.60

Finding the Fourth Proportional to 885,100,931.20, 1,324,964,011.20 and 788,355,049.60

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Solution

The fourth proportional to 885,100,931.20, 1,324,964,011.20 and 788,355,049.60 is: 1,180,138,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,100,931.20 : 1,324,964,011.20 = 788,355,049.60 : x
  2. Step 2: Convert to fraction form
    885,100,931.20/1,324,964,011.20 = 788,355,049.60/x
  3. Step 3: Cross multiply
    885,100,931.20x = 1,324,964,011.20 × 788,355,049.60
  4. Step 4: Simplify right side
    885,100,931.20x = 1,044,542,068,767,790,976
  5. Step 5: Solve for x
    x = 1,044,542,068,767,790,976/885,100,931.20
  6. Step 6: Final answer
    x = 1,180,138,933.25

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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.