Home / 7,820,727,096.40-11,731,090,644.60-2,912,763,173.20

Finding the Fourth Proportional to 7,820,727,096.40, 11,731,090,644.60 and 2,912,763,173.20

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Solution

The fourth proportional to 7,820,727,096.40, 11,731,090,644.60 and 2,912,763,173.20 is: 4,369,144,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,727,096.40 : 11,731,090,644.60 = 2,912,763,173.20 : x
  2. Step 2: Convert to fraction form
    7,820,727,096.40/11,731,090,644.60 = 2,912,763,173.20/x
  3. Step 3: Cross multiply
    7,820,727,096.40x = 11,731,090,644.60 × 2,912,763,173.20
  4. Step 4: Simplify right side
    7,820,727,096.40x = 34,169,888,811,061,927,936
  5. Step 5: Solve for x
    x = 34,169,888,811,061,927,936/7,820,727,096.40
  6. Step 6: Final answer
    x = 4,369,144,759.80

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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.