Home / 489,923,940.60-734,885,910.90-326,665,265.40

Finding the Fourth Proportional to 489,923,940.60, 734,885,910.90 and 326,665,265.40

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Solution

The fourth proportional to 489,923,940.60, 734,885,910.90 and 326,665,265.40 is: 489,997,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,923,940.60 : 734,885,910.90 = 326,665,265.40 : x
  2. Step 2: Convert to fraction form
    489,923,940.60/734,885,910.90 = 326,665,265.40/x
  3. Step 3: Cross multiply
    489,923,940.60x = 734,885,910.90 × 326,665,265.40
  4. Step 4: Simplify right side
    489,923,940.60x = 240,061,701,122,869,216
  5. Step 5: Solve for x
    x = 240,061,701,122,869,216/489,923,940.60
  6. Step 6: Final answer
    x = 489,997,898.10

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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.