Home / 1,212,771,893.40-1,819,157,840.10-1,202,568,226.20

Finding the Fourth Proportional to 1,212,771,893.40, 1,819,157,840.10 and 1,202,568,226.20

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Solution

The fourth proportional to 1,212,771,893.40, 1,819,157,840.10 and 1,202,568,226.20 is: 1,803,852,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,771,893.40 : 1,819,157,840.10 = 1,202,568,226.20 : x
  2. Step 2: Convert to fraction form
    1,212,771,893.40/1,819,157,840.10 = 1,202,568,226.20/x
  3. Step 3: Cross multiply
    1,212,771,893.40x = 1,819,157,840.10 × 1,202,568,226.20
  4. Step 4: Simplify right side
    1,212,771,893.40x = 2,187,661,416,946,880,256
  5. Step 5: Solve for x
    x = 2,187,661,416,946,880,256/1,212,771,893.40
  6. Step 6: Final answer
    x = 1,803,852,339.30

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Double scale
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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.