Home / 680,220,340.20-1,020,430,043.10-220,080,205.80

Finding the Fourth Proportional to 680,220,340.20, 1,020,430,043.10 and 220,080,205.80

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Solution

The fourth proportional to 680,220,340.20, 1,020,430,043.10 and 220,080,205.80 is: 330,152,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,220,340.20 : 1,020,430,043.10 = 220,080,205.80 : x
  2. Step 2: Convert to fraction form
    680,220,340.20/1,020,430,043.10 = 220,080,205.80/x
  3. Step 3: Cross multiply
    680,220,340.20x = 1,020,430,043.10 × 220,080,205.80
  4. Step 4: Simplify right side
    680,220,340.20x = 224,576,453,889,950,880
  5. Step 5: Solve for x
    x = 224,576,453,889,950,880/680,220,340.20
  6. Step 6: Final answer
    x = 330,152,511.79

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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.