Home / 18,753,443,279.76-28,108,767,096.72-7,554,151,258.32

Finding the Fourth Proportional to 18,753,443,279.76, 28,108,767,096.72 and 7,554,151,258.32

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Solution

The fourth proportional to 18,753,443,279.76, 28,108,767,096.72 and 7,554,151,258.32 is: 11,322,607,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,443,279.76 : 28,108,767,096.72 = 7,554,151,258.32 : x
  2. Step 2: Convert to fraction form
    18,753,443,279.76/28,108,767,096.72 = 7,554,151,258.32/x
  3. Step 3: Cross multiply
    18,753,443,279.76x = 28,108,767,096.72 × 7,554,151,258.32
  4. Step 4: Simplify right side
    18,753,443,279.76x = 212,337,878,333,511,204,864
  5. Step 5: Solve for x
    x = 212,337,878,333,511,204,864/18,753,443,279.76
  6. Step 6: Final answer
    x = 11,322,607,542.83

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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.