Home / 723,622,111.68-1,085,447,338.74-206,065,849.80

Finding the Fourth Proportional to 723,622,111.68, 1,085,447,338.74 and 206,065,849.80

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Solution

The fourth proportional to 723,622,111.68, 1,085,447,338.74 and 206,065,849.80 is: 309,102,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,622,111.68 : 1,085,447,338.74 = 206,065,849.80 : x
  2. Step 2: Convert to fraction form
    723,622,111.68/1,085,447,338.74 = 206,065,849.80/x
  3. Step 3: Cross multiply
    723,622,111.68x = 1,085,447,338.74 × 206,065,849.80
  4. Step 4: Simplify right side
    723,622,111.68x = 223,673,628,270,606,592
  5. Step 5: Solve for x
    x = 223,673,628,270,606,592/723,622,111.68
  6. Step 6: Final answer
    x = 309,102,810.24

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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.