Home / 999,146,906.88-1,378,839,059.83-547,017,333.09

Finding the Fourth Proportional to 999,146,906.88, 1,378,839,059.83 and 547,017,333.09

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Solution

The fourth proportional to 999,146,906.88, 1,378,839,059.83 and 547,017,333.09 is: 754,892,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,146,906.88 : 1,378,839,059.83 = 547,017,333.09 : x
  2. Step 2: Convert to fraction form
    999,146,906.88/1,378,839,059.83 = 547,017,333.09/x
  3. Step 3: Cross multiply
    999,146,906.88x = 1,378,839,059.83 × 547,017,333.09
  4. Step 4: Simplify right side
    999,146,906.88x = 754,248,865,260,951,936
  5. Step 5: Solve for x
    x = 754,248,865,260,951,936/999,146,906.88
  6. Step 6: Final answer
    x = 754,892,859.17

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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.