Home / 21,730,183,480.20-32,595,275,220.30-11,812,218,961.80

Finding the Fourth Proportional to 21,730,183,480.20, 32,595,275,220.30 and 11,812,218,961.80

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Solution

The fourth proportional to 21,730,183,480.20, 32,595,275,220.30 and 11,812,218,961.80 is: 17,718,328,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,183,480.20 : 32,595,275,220.30 = 11,812,218,961.80 : x
  2. Step 2: Convert to fraction form
    21,730,183,480.20/32,595,275,220.30 = 11,812,218,961.80/x
  3. Step 3: Cross multiply
    21,730,183,480.20x = 32,595,275,220.30 × 11,812,218,961.80
  4. Step 4: Simplify right side
    21,730,183,480.20x = 385,022,528,022,317,301,760
  5. Step 5: Solve for x
    x = 385,022,528,022,317,301,760/21,730,183,480.20
  6. Step 6: Final answer
    x = 17,718,328,442.70

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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.