Home / 2,146,936,567.20-3,220,404,850.80-920,229,021.60

Finding the Fourth Proportional to 2,146,936,567.20, 3,220,404,850.80 and 920,229,021.60

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Solution

The fourth proportional to 2,146,936,567.20, 3,220,404,850.80 and 920,229,021.60 is: 1,380,343,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,936,567.20 : 3,220,404,850.80 = 920,229,021.60 : x
  2. Step 2: Convert to fraction form
    2,146,936,567.20/3,220,404,850.80 = 920,229,021.60/x
  3. Step 3: Cross multiply
    2,146,936,567.20x = 3,220,404,850.80 × 920,229,021.60
  4. Step 4: Simplify right side
    2,146,936,567.20x = 2,963,510,005,007,578,112
  5. Step 5: Solve for x
    x = 2,963,510,005,007,578,112/2,146,936,567.20
  6. Step 6: Final answer
    x = 1,380,343,532.40

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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.