Home / 670,728,489.12-1,006,201,933.38-198,075,340.80

Finding the Fourth Proportional to 670,728,489.12, 1,006,201,933.38 and 198,075,340.80

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Solution

The fourth proportional to 670,728,489.12, 1,006,201,933.38 and 198,075,340.80 is: 297,145,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,728,489.12 : 1,006,201,933.38 = 198,075,340.80 : x
  2. Step 2: Convert to fraction form
    670,728,489.12/1,006,201,933.38 = 198,075,340.80/x
  3. Step 3: Cross multiply
    670,728,489.12x = 1,006,201,933.38 × 198,075,340.80
  4. Step 4: Simplify right side
    670,728,489.12x = 199,303,790,867,862,400
  5. Step 5: Solve for x
    x = 199,303,790,867,862,400/670,728,489.12
  6. Step 6: Final answer
    x = 297,145,259.37

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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.