Home / 17,138,371,310.40-25,707,556,965.60-12,131,771,937.60

Finding the Fourth Proportional to 17,138,371,310.40, 25,707,556,965.60 and 12,131,771,937.60

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Solution

The fourth proportional to 17,138,371,310.40, 25,707,556,965.60 and 12,131,771,937.60 is: 18,197,657,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138,371,310.40 : 25,707,556,965.60 = 12,131,771,937.60 : x
  2. Step 2: Convert to fraction form
    17,138,371,310.40/25,707,556,965.60 = 12,131,771,937.60/x
  3. Step 3: Cross multiply
    17,138,371,310.40x = 25,707,556,965.60 × 12,131,771,937.60
  4. Step 4: Simplify right side
    17,138,371,310.40x = 311,878,218,179,519,512,576
  5. Step 5: Solve for x
    x = 311,878,218,179,519,512,576/17,138,371,310.40
  6. Step 6: Final answer
    x = 18,197,657,906.40

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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.