Home / 7,324,991,999.40-10,987,487,999.10-7,039,289,317.80

Finding the Fourth Proportional to 7,324,991,999.40, 10,987,487,999.10 and 7,039,289,317.80

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Solution

The fourth proportional to 7,324,991,999.40, 10,987,487,999.10 and 7,039,289,317.80 is: 10,558,933,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324,991,999.40 : 10,987,487,999.10 = 7,039,289,317.80 : x
  2. Step 2: Convert to fraction form
    7,324,991,999.40/10,987,487,999.10 = 7,039,289,317.80/x
  3. Step 3: Cross multiply
    7,324,991,999.40x = 10,987,487,999.10 × 7,039,289,317.80
  4. Step 4: Simplify right side
    7,324,991,999.40x = 77,344,106,901,520,334,848
  5. Step 5: Solve for x
    x = 77,344,106,901,520,334,848/7,324,991,999.40
  6. Step 6: Final answer
    x = 10,558,933,976.70

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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.