Home / 354,585,282.80-489,458,265.57-213,463,062.59

Finding the Fourth Proportional to 354,585,282.80, 489,458,265.57 and 213,463,062.59

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Solution

The fourth proportional to 354,585,282.80, 489,458,265.57 and 213,463,062.59 is: 294,657,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,585,282.80 : 489,458,265.57 = 213,463,062.59 : x
  2. Step 2: Convert to fraction form
    354,585,282.80/489,458,265.57 = 213,463,062.59/x
  3. Step 3: Cross multiply
    354,585,282.80x = 489,458,265.57 × 213,463,062.59
  4. Step 4: Simplify right side
    354,585,282.80x = 104,481,260,376,114,464
  5. Step 5: Solve for x
    x = 104,481,260,376,114,464/354,585,282.80
  6. Step 6: Final answer
    x = 294,657,633.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.