Home / 13,943,232,014.40-20,914,848,021.60-5,217,962,817.60

Finding the Fourth Proportional to 13,943,232,014.40, 20,914,848,021.60 and 5,217,962,817.60

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Solution

The fourth proportional to 13,943,232,014.40, 20,914,848,021.60 and 5,217,962,817.60 is: 7,826,944,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,232,014.40 : 20,914,848,021.60 = 5,217,962,817.60 : x
  2. Step 2: Convert to fraction form
    13,943,232,014.40/20,914,848,021.60 = 5,217,962,817.60/x
  3. Step 3: Cross multiply
    13,943,232,014.40x = 20,914,848,021.60 × 5,217,962,817.60
  4. Step 4: Simplify right side
    13,943,232,014.40x = 109,132,899,312,463,724,544
  5. Step 5: Solve for x
    x = 109,132,899,312,463,724,544/13,943,232,014.40
  6. Step 6: Final answer
    x = 7,826,944,226.40

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Double scale
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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.