Home / 12,307,512,852.60-18,461,269,278.90-3,583,661,998.20

Finding the Fourth Proportional to 12,307,512,852.60, 18,461,269,278.90 and 3,583,661,998.20

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Solution

The fourth proportional to 12,307,512,852.60, 18,461,269,278.90 and 3,583,661,998.20 is: 5,375,492,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,512,852.60 : 18,461,269,278.90 = 3,583,661,998.20 : x
  2. Step 2: Convert to fraction form
    12,307,512,852.60/18,461,269,278.90 = 3,583,661,998.20/x
  3. Step 3: Cross multiply
    12,307,512,852.60x = 18,461,269,278.90 × 3,583,661,998.20
  4. Step 4: Simplify right side
    12,307,512,852.60x = 66,158,949,153,331,052,544
  5. Step 5: Solve for x
    x = 66,158,949,153,331,052,544/12,307,512,852.60
  6. Step 6: Final answer
    x = 5,375,492,997.30

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Double scale
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Similar ratio
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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.