Home / 18,399,045,747.68-25,411,627,336.56-12,367,078,878.08

Finding the Fourth Proportional to 18,399,045,747.68, 25,411,627,336.56 and 12,367,078,878.08

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Solution

The fourth proportional to 18,399,045,747.68, 25,411,627,336.56 and 12,367,078,878.08 is: 17,080,646,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399,045,747.68 : 25,411,627,336.56 = 12,367,078,878.08 : x
  2. Step 2: Convert to fraction form
    18,399,045,747.68/25,411,627,336.56 = 12,367,078,878.08/x
  3. Step 3: Cross multiply
    18,399,045,747.68x = 25,411,627,336.56 × 12,367,078,878.08
  4. Step 4: Simplify right side
    18,399,045,747.68x = 314,267,599,691,611,504,640
  5. Step 5: Solve for x
    x = 314,267,599,691,611,504,640/18,399,045,747.68
  6. Step 6: Final answer
    x = 17,080,646,681.43

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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.