Home / 693,698,074.52-1,040,131,565.02-220,792,845.87

Finding the Fourth Proportional to 693,698,074.52, 1,040,131,565.02 and 220,792,845.87

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Solution

The fourth proportional to 693,698,074.52, 1,040,131,565.02 and 220,792,845.87 is: 331,057,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,698,074.52 : 1,040,131,565.02 = 220,792,845.87 : x
  2. Step 2: Convert to fraction form
    693,698,074.52/1,040,131,565.02 = 220,792,845.87/x
  3. Step 3: Cross multiply
    693,698,074.52x = 1,040,131,565.02 × 220,792,845.87
  4. Step 4: Simplify right side
    693,698,074.52x = 229,653,608,319,430,784
  5. Step 5: Solve for x
    x = 229,653,608,319,430,784/693,698,074.52
  6. Step 6: Final answer
    x = 331,057,007.01

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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.