Home / 257,792,198,559.85-355,737,204,689.54-142,042,480,722.41

Finding the Fourth Proportional to 257,792,198,559.85, 355,737,204,689.54 and 142,042,480,722.41

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Solution

The fourth proportional to 257,792,198,559.85, 355,737,204,689.54 and 142,042,480,722.41 is: 196,009,791,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,198,559.85 : 355,737,204,689.54 = 142,042,480,722.41 : x
  2. Step 2: Convert to fraction form
    257,792,198,559.85/355,737,204,689.54 = 142,042,480,722.41/x
  3. Step 3: Cross multiply
    257,792,198,559.85x = 355,737,204,689.54 × 142,042,480,722.41
  4. Step 4: Simplify right side
    257,792,198,559.85x = 50,529,795,039,358,001,086,464
  5. Step 5: Solve for x
    x = 50,529,795,039,358,001,086,464/257,792,198,559.85
  6. Step 6: Final answer
    x = 196,009,791,303.39

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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.