Home / 329,039,494.37-453,809,737.60-289,261,975.01

Finding the Fourth Proportional to 329,039,494.37, 453,809,737.60 and 289,261,975.01

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Solution

The fourth proportional to 329,039,494.37, 453,809,737.60 and 289,261,975.01 is: 398,948,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,039,494.37 : 453,809,737.60 = 289,261,975.01 : x
  2. Step 2: Convert to fraction form
    329,039,494.37/453,809,737.60 = 289,261,975.01/x
  3. Step 3: Cross multiply
    329,039,494.37x = 453,809,737.60 × 289,261,975.01
  4. Step 4: Simplify right side
    329,039,494.37x = 131,269,900,976,229,504
  5. Step 5: Solve for x
    x = 131,269,900,976,229,504/329,039,494.37
  6. Step 6: Final answer
    x = 398,948,768.23

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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.