Home / 9,072,192,951.80-13,608,289,427.70-8,142,383,778.20

Finding the Fourth Proportional to 9,072,192,951.80, 13,608,289,427.70 and 8,142,383,778.20

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Solution

The fourth proportional to 9,072,192,951.80, 13,608,289,427.70 and 8,142,383,778.20 is: 12,213,575,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,192,951.80 : 13,608,289,427.70 = 8,142,383,778.20 : x
  2. Step 2: Convert to fraction form
    9,072,192,951.80/13,608,289,427.70 = 8,142,383,778.20/x
  3. Step 3: Cross multiply
    9,072,192,951.80x = 13,608,289,427.70 × 8,142,383,778.20
  4. Step 4: Simplify right side
    9,072,192,951.80x = 110,803,915,085,155,041,280
  5. Step 5: Solve for x
    x = 110,803,915,085,155,041,280/9,072,192,951.80
  6. Step 6: Final answer
    x = 12,213,575,667.30

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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.