Home / 680,160,601.70-1,020,240,902.55-220,145,272.10

Finding the Fourth Proportional to 680,160,601.70, 1,020,240,902.55 and 220,145,272.10

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Solution

The fourth proportional to 680,160,601.70, 1,020,240,902.55 and 220,145,272.10 is: 330,217,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,160,601.70 : 1,020,240,902.55 = 220,145,272.10 : x
  2. Step 2: Convert to fraction form
    680,160,601.70/1,020,240,902.55 = 220,145,272.10/x
  3. Step 3: Cross multiply
    680,160,601.70x = 1,020,240,902.55 × 220,145,272.10
  4. Step 4: Simplify right side
    680,160,601.70x = 224,601,211,099,419,328
  5. Step 5: Solve for x
    x = 224,601,211,099,419,328/680,160,601.70
  6. Step 6: Final answer
    x = 330,217,908.15

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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.