Home / 18,399,045,747.18-25,411,627,335.87-12,367,078,877.58

Finding the Fourth Proportional to 18,399,045,747.18, 25,411,627,335.87 and 12,367,078,877.58

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Solution

The fourth proportional to 18,399,045,747.18, 25,411,627,335.87 and 12,367,078,877.58 is: 17,080,646,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399,045,747.18 : 25,411,627,335.87 = 12,367,078,877.58 : x
  2. Step 2: Convert to fraction form
    18,399,045,747.18/25,411,627,335.87 = 12,367,078,877.58/x
  3. Step 3: Cross multiply
    18,399,045,747.18x = 25,411,627,335.87 × 12,367,078,877.58
  4. Step 4: Simplify right side
    18,399,045,747.18x = 314,267,599,670,372,401,152
  5. Step 5: Solve for x
    x = 314,267,599,670,372,401,152/18,399,045,747.18
  6. Step 6: Final answer
    x = 17,080,646,680.74

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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.