Home / 12,109,373,792.40-18,164,060,688.60-8,844,200,288.40

Finding the Fourth Proportional to 12,109,373,792.40, 18,164,060,688.60 and 8,844,200,288.40

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Solution

The fourth proportional to 12,109,373,792.40, 18,164,060,688.60 and 8,844,200,288.40 is: 13,266,300,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,373,792.40 : 18,164,060,688.60 = 8,844,200,288.40 : x
  2. Step 2: Convert to fraction form
    12,109,373,792.40/18,164,060,688.60 = 8,844,200,288.40/x
  3. Step 3: Cross multiply
    12,109,373,792.40x = 18,164,060,688.60 × 8,844,200,288.40
  4. Step 4: Simplify right side
    12,109,373,792.40x = 160,646,590,780,631,187,456
  5. Step 5: Solve for x
    x = 160,646,590,780,631,187,456/12,109,373,792.40
  6. Step 6: Final answer
    x = 13,266,300,432.60

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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.