Home / 12,419,882,190.32-17,140,940,394.36-7,068,743,654

Finding the Fourth Proportional to 12,419,882,190.32, 17,140,940,394.36 and 7,068,743,654

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Solution

The fourth proportional to 12,419,882,190.32, 17,140,940,394.36 and 7,068,743,654 is: 9,755,721,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,882,190.32 : 17,140,940,394.36 = 7,068,743,654 : x
  2. Step 2: Convert to fraction form
    12,419,882,190.32/17,140,940,394.36 = 7,068,743,654/x
  3. Step 3: Cross multiply
    12,419,882,190.32x = 17,140,940,394.36 × 7,068,743,654
  4. Step 4: Simplify right side
    12,419,882,190.32x = 121,164,913,636,224,516,096
  5. Step 5: Solve for x
    x = 121,164,913,636,224,516,096/12,419,882,190.32
  6. Step 6: Final answer
    x = 9,755,721,654.97

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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.