Home / 18,372,097,212.40-27,558,145,818.60-10,503,432,175.60

Finding the Fourth Proportional to 18,372,097,212.40, 27,558,145,818.60 and 10,503,432,175.60

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Solution

The fourth proportional to 18,372,097,212.40, 27,558,145,818.60 and 10,503,432,175.60 is: 15,755,148,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,097,212.40 : 27,558,145,818.60 = 10,503,432,175.60 : x
  2. Step 2: Convert to fraction form
    18,372,097,212.40/27,558,145,818.60 = 10,503,432,175.60/x
  3. Step 3: Cross multiply
    18,372,097,212.40x = 27,558,145,818.60 × 10,503,432,175.60
  4. Step 4: Simplify right side
    18,372,097,212.40x = 289,455,115,490,959,851,520
  5. Step 5: Solve for x
    x = 289,455,115,490,959,851,520/18,372,097,212.40
  6. Step 6: Final answer
    x = 15,755,148,263.40

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Double scale
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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.