Home / 330,829,973.80-496,351,248.90-221,778,280.60

Finding the Fourth Proportional to 330,829,973.80, 496,351,248.90 and 221,778,280.60

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Solution

The fourth proportional to 330,829,973.80, 496,351,248.90 and 221,778,280.60 is: 332,738,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,829,973.80 : 496,351,248.90 = 221,778,280.60 : x
  2. Step 2: Convert to fraction form
    330,829,973.80/496,351,248.90 = 221,778,280.60/x
  3. Step 3: Cross multiply
    330,829,973.80x = 496,351,248.90 × 221,778,280.60
  4. Step 4: Simplify right side
    330,829,973.80x = 110,079,926,554,704,640
  5. Step 5: Solve for x
    x = 110,079,926,554,704,640/330,829,973.80
  6. Step 6: Final answer
    x = 332,738,673.25

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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.