Home / 7,324,991,997.40-10,987,487,996.10-7,039,289,315.80

Finding the Fourth Proportional to 7,324,991,997.40, 10,987,487,996.10 and 7,039,289,315.80

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Solution

The fourth proportional to 7,324,991,997.40, 10,987,487,996.10 and 7,039,289,315.80 is: 10,558,933,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324,991,997.40 : 10,987,487,996.10 = 7,039,289,315.80 : x
  2. Step 2: Convert to fraction form
    7,324,991,997.40/10,987,487,996.10 = 7,039,289,315.80/x
  3. Step 3: Cross multiply
    7,324,991,997.40x = 10,987,487,996.10 × 7,039,289,315.80
  4. Step 4: Simplify right side
    7,324,991,997.40x = 77,344,106,858,427,482,112
  5. Step 5: Solve for x
    x = 77,344,106,858,427,482,112/7,324,991,997.40
  6. Step 6: Final answer
    x = 10,558,933,973.70

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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.