Home / 329,039,596.04-453,809,877.48-289,262,076.55

Finding the Fourth Proportional to 329,039,596.04, 453,809,877.48 and 289,262,076.55

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Solution

The fourth proportional to 329,039,596.04, 453,809,877.48 and 289,262,076.55 is: 398,948,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,039,596.04 : 453,809,877.48 = 289,262,076.55 : x
  2. Step 2: Convert to fraction form
    329,039,596.04/453,809,877.48 = 289,262,076.55/x
  3. Step 3: Cross multiply
    329,039,596.04x = 453,809,877.48 × 289,262,076.55
  4. Step 4: Simplify right side
    329,039,596.04x = 131,269,987,517,631,376
  5. Step 5: Solve for x
    x = 131,269,987,517,631,376/329,039,596.04
  6. Step 6: Final answer
    x = 398,948,907.97

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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.