Home / 865,379,469.84-1,194,227,826.48-468,902,354.64

Finding the Fourth Proportional to 865,379,469.84, 1,194,227,826.48 and 468,902,354.64

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Solution

The fourth proportional to 865,379,469.84, 1,194,227,826.48 and 468,902,354.64 is: 647,087,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,379,469.84 : 1,194,227,826.48 = 468,902,354.64 : x
  2. Step 2: Convert to fraction form
    865,379,469.84/1,194,227,826.48 = 468,902,354.64/x
  3. Step 3: Cross multiply
    865,379,469.84x = 1,194,227,826.48 × 468,902,354.64
  4. Step 4: Simplify right side
    865,379,469.84x = 559,976,239,813,081,344
  5. Step 5: Solve for x
    x = 559,976,239,813,081,344/865,379,469.84
  6. Step 6: Final answer
    x = 647,087,502.45

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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.