Home / 489,907,301.20-734,860,951.80-296,037,624.40

Finding the Fourth Proportional to 489,907,301.20, 734,860,951.80 and 296,037,624.40

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Solution

The fourth proportional to 489,907,301.20, 734,860,951.80 and 296,037,624.40 is: 444,056,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,907,301.20 : 734,860,951.80 = 296,037,624.40 : x
  2. Step 2: Convert to fraction form
    489,907,301.20/734,860,951.80 = 296,037,624.40/x
  3. Step 3: Cross multiply
    489,907,301.20x = 734,860,951.80 × 296,037,624.40
  4. Step 4: Simplify right side
    489,907,301.20x = 217,546,490,435,194,880
  5. Step 5: Solve for x
    x = 217,546,490,435,194,880/489,907,301.20
  6. Step 6: Final answer
    x = 444,056,436.60

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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.