Home / 705,371,257.26-973,294,673.94-392,062,872.96

Finding the Fourth Proportional to 705,371,257.26, 973,294,673.94 and 392,062,872.96

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Solution

The fourth proportional to 705,371,257.26, 973,294,673.94 and 392,062,872.96 is: 540,981,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,371,257.26 : 973,294,673.94 = 392,062,872.96 : x
  2. Step 2: Convert to fraction form
    705,371,257.26/973,294,673.94 = 392,062,872.96/x
  3. Step 3: Cross multiply
    705,371,257.26x = 973,294,673.94 × 392,062,872.96
  4. Step 4: Simplify right side
    705,371,257.26x = 381,592,706,101,582,848
  5. Step 5: Solve for x
    x = 381,592,706,101,582,848/705,371,257.26
  6. Step 6: Final answer
    x = 540,981,365.73

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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.