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Finding the Fourth Proportional to 883,008,003.60, 1,324,512,005.40 and 864,868,150.80

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Solution

The fourth proportional to 883,008,003.60, 1,324,512,005.40 and 864,868,150.80 is: 1,297,302,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,008,003.60 : 1,324,512,005.40 = 864,868,150.80 : x
  2. Step 2: Convert to fraction form
    883,008,003.60/1,324,512,005.40 = 864,868,150.80/x
  3. Step 3: Cross multiply
    883,008,003.60x = 1,324,512,005.40 × 864,868,150.80
  4. Step 4: Simplify right side
    883,008,003.60x = 1,145,528,248,822,697,600
  5. Step 5: Solve for x
    x = 1,145,528,248,822,697,600/883,008,003.60
  6. Step 6: Final answer
    x = 1,297,302,226.20

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1.5x scale

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.