Home / 12,680,295,658.38-19,003,897,404.54-7,084,006,694.78

Finding the Fourth Proportional to 12,680,295,658.38, 19,003,897,404.54 and 7,084,006,694.78

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Solution

The fourth proportional to 12,680,295,658.38, 19,003,897,404.54 and 7,084,006,694.78 is: 10,616,766,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,295,658.38 : 19,003,897,404.54 = 7,084,006,694.78 : x
  2. Step 2: Convert to fraction form
    12,680,295,658.38/19,003,897,404.54 = 7,084,006,694.78/x
  3. Step 3: Cross multiply
    12,680,295,658.38x = 19,003,897,404.54 × 7,084,006,694.78
  4. Step 4: Simplify right side
    12,680,295,658.38x = 134,623,736,440,578,605,056
  5. Step 5: Solve for x
    x = 134,623,736,440,578,605,056/12,680,295,658.38
  6. Step 6: Final answer
    x = 10,616,766,364.72

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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.