Home / 257,792,198,569.84-355,737,204,703.36-142,042,480,732.40

Finding the Fourth Proportional to 257,792,198,569.84, 355,737,204,703.36 and 142,042,480,732.40

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Solution

The fourth proportional to 257,792,198,569.84, 355,737,204,703.36 and 142,042,480,732.40 is: 196,009,791,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,198,569.84 : 355,737,204,703.36 = 142,042,480,732.40 : x
  2. Step 2: Convert to fraction form
    257,792,198,569.84/355,737,204,703.36 = 142,042,480,732.40/x
  3. Step 3: Cross multiply
    257,792,198,569.84x = 355,737,204,703.36 × 142,042,480,732.40
  4. Step 4: Simplify right side
    257,792,198,569.84x = 50,529,795,044,874,844,635,136
  5. Step 5: Solve for x
    x = 50,529,795,044,874,844,635,136/257,792,198,569.84
  6. Step 6: Final answer
    x = 196,009,791,317.19

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1.5x scale

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.