Home / 12,699,585,979.68-17,526,410,142.48-7,619,141,103.60

Finding the Fourth Proportional to 12,699,585,979.68, 17,526,410,142.48 and 7,619,141,103.60

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Solution

The fourth proportional to 12,699,585,979.68, 17,526,410,142.48 and 7,619,141,103.60 is: 10,515,003,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,585,979.68 : 17,526,410,142.48 = 7,619,141,103.60 : x
  2. Step 2: Convert to fraction form
    12,699,585,979.68/17,526,410,142.48 = 7,619,141,103.60/x
  3. Step 3: Cross multiply
    12,699,585,979.68x = 17,526,410,142.48 × 7,619,141,103.60
  4. Step 4: Simplify right side
    12,699,585,979.68x = 133,536,191,915,121,311,744
  5. Step 5: Solve for x
    x = 133,536,191,915,121,311,744/12,699,585,979.68
  6. Step 6: Final answer
    x = 10,515,003,570.10

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1.5x scale

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.