Home / 18,372,097,218.90-27,558,145,828.35-10,503,432,182.10

Finding the Fourth Proportional to 18,372,097,218.90, 27,558,145,828.35 and 10,503,432,182.10

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Solution

The fourth proportional to 18,372,097,218.90, 27,558,145,828.35 and 10,503,432,182.10 is: 15,755,148,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,097,218.90 : 27,558,145,828.35 = 10,503,432,182.10 : x
  2. Step 2: Convert to fraction form
    18,372,097,218.90/27,558,145,828.35 = 10,503,432,182.10/x
  3. Step 3: Cross multiply
    18,372,097,218.90x = 27,558,145,828.35 × 10,503,432,182.10
  4. Step 4: Simplify right side
    18,372,097,218.90x = 289,455,115,772,496,248,832
  5. Step 5: Solve for x
    x = 289,455,115,772,496,248,832/18,372,097,218.90
  6. Step 6: Final answer
    x = 15,755,148,273.15

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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.