Home / 489,312,006.20-733,968,009.30-271,633,772.60

Finding the Fourth Proportional to 489,312,006.20, 733,968,009.30 and 271,633,772.60

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Solution

The fourth proportional to 489,312,006.20, 733,968,009.30 and 271,633,772.60 is: 407,450,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,312,006.20 : 733,968,009.30 = 271,633,772.60 : x
  2. Step 2: Convert to fraction form
    489,312,006.20/733,968,009.30 = 271,633,772.60/x
  3. Step 3: Cross multiply
    489,312,006.20x = 733,968,009.30 × 271,633,772.60
  4. Step 4: Simplify right side
    489,312,006.20x = 199,370,499,333,870,880
  5. Step 5: Solve for x
    x = 199,370,499,333,870,880/489,312,006.20
  6. Step 6: Final answer
    x = 407,450,658.90

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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.