Home / 9,991,675,965.42-13,788,529,014.60-5,474,837,339.28

Finding the Fourth Proportional to 9,991,675,965.42, 13,788,529,014.60 and 5,474,837,339.28

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Solution

The fourth proportional to 9,991,675,965.42, 13,788,529,014.60 and 5,474,837,339.28 is: 7,555,284,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,675,965.42 : 13,788,529,014.60 = 5,474,837,339.28 : x
  2. Step 2: Convert to fraction form
    9,991,675,965.42/13,788,529,014.60 = 5,474,837,339.28/x
  3. Step 3: Cross multiply
    9,991,675,965.42x = 13,788,529,014.60 × 5,474,837,339.28
  4. Step 4: Simplify right side
    9,991,675,965.42x = 75,489,953,502,877,745,152
  5. Step 5: Solve for x
    x = 75,489,953,502,877,745,152/9,991,675,965.42
  6. Step 6: Final answer
    x = 7,555,284,395.14

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.