Home / 690,965,039.66-1,036,447,559.37-230,903,208.95

Finding the Fourth Proportional to 690,965,039.66, 1,036,447,559.37 and 230,903,208.95

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Solution

The fourth proportional to 690,965,039.66, 1,036,447,559.37 and 230,903,208.95 is: 346,354,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,039.66 : 1,036,447,559.37 = 230,903,208.95 : x
  2. Step 2: Convert to fraction form
    690,965,039.66/1,036,447,559.37 = 230,903,208.95/x
  3. Step 3: Cross multiply
    690,965,039.66x = 1,036,447,559.37 × 230,903,208.95
  4. Step 4: Simplify right side
    690,965,039.66x = 239,319,067,361,746,400
  5. Step 5: Solve for x
    x = 239,319,067,361,746,400/690,965,039.66
  6. Step 6: Final answer
    x = 346,354,813.38

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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.