Home / 693,698,077.03-1,040,131,568.76-220,792,848.37

Finding the Fourth Proportional to 693,698,077.03, 1,040,131,568.76 and 220,792,848.37

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Solution

The fourth proportional to 693,698,077.03, 1,040,131,568.76 and 220,792,848.37 is: 331,057,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,698,077.03 : 1,040,131,568.76 = 220,792,848.37 : x
  2. Step 2: Convert to fraction form
    693,698,077.03/1,040,131,568.76 = 220,792,848.37/x
  3. Step 3: Cross multiply
    693,698,077.03x = 1,040,131,568.76 × 220,792,848.37
  4. Step 4: Simplify right side
    693,698,077.03x = 229,653,611,746,076,896
  5. Step 5: Solve for x
    x = 229,653,611,746,076,896/693,698,077.03
  6. Step 6: Final answer
    x = 331,057,010.75

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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.