Home / 354,858,744,438.54-489,873,929,355.81-237,738,056,760.90

Finding the Fourth Proportional to 354,858,744,438.54, 489,873,929,355.81 and 237,738,056,760.90

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Solution

The fourth proportional to 354,858,744,438.54, 489,873,929,355.81 and 237,738,056,760.90 is: 328,191,647,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,858,744,438.54 : 489,873,929,355.81 = 237,738,056,760.90 : x
  2. Step 2: Convert to fraction form
    354,858,744,438.54/489,873,929,355.81 = 237,738,056,760.90/x
  3. Step 3: Cross multiply
    354,858,744,438.54x = 489,873,929,355.81 × 237,738,056,760.90
  4. Step 4: Simplify right side
    354,858,744,438.54x = 116,461,676,022,876,677,865,472
  5. Step 5: Solve for x
    x = 116,461,676,022,876,677,865,472/354,858,744,438.54
  6. Step 6: Final answer
    x = 328,191,647,657.28

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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.