Home / 680,160,511.20-1,020,240,766.80-220,145,181.60

Finding the Fourth Proportional to 680,160,511.20, 1,020,240,766.80 and 220,145,181.60

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Solution

The fourth proportional to 680,160,511.20, 1,020,240,766.80 and 220,145,181.60 is: 330,217,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,160,511.20 : 1,020,240,766.80 = 220,145,181.60 : x
  2. Step 2: Convert to fraction form
    680,160,511.20/1,020,240,766.80 = 220,145,181.60/x
  3. Step 3: Cross multiply
    680,160,511.20x = 1,020,240,766.80 × 220,145,181.60
  4. Step 4: Simplify right side
    680,160,511.20x = 224,601,088,882,909,248
  5. Step 5: Solve for x
    x = 224,601,088,882,909,248/680,160,511.20
  6. Step 6: Final answer
    x = 330,217,772.40

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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.