Home / 680,467,510.80-1,020,701,266.20-195,793,318.80

Finding the Fourth Proportional to 680,467,510.80, 1,020,701,266.20 and 195,793,318.80

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Solution

The fourth proportional to 680,467,510.80, 1,020,701,266.20 and 195,793,318.80 is: 293,689,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,467,510.80 : 1,020,701,266.20 = 195,793,318.80 : x
  2. Step 2: Convert to fraction form
    680,467,510.80/1,020,701,266.20 = 195,793,318.80/x
  3. Step 3: Cross multiply
    680,467,510.80x = 1,020,701,266.20 × 195,793,318.80
  4. Step 4: Simplify right side
    680,467,510.80x = 199,846,488,412,660,288
  5. Step 5: Solve for x
    x = 199,846,488,412,660,288/680,467,510.80
  6. Step 6: Final answer
    x = 293,689,978.20

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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.