Home / 454,734,019.40-682,101,029.10-248,109,758.60

Finding the Fourth Proportional to 454,734,019.40, 682,101,029.10 and 248,109,758.60

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Solution

The fourth proportional to 454,734,019.40, 682,101,029.10 and 248,109,758.60 is: 372,164,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,734,019.40 : 682,101,029.10 = 248,109,758.60 : x
  2. Step 2: Convert to fraction form
    454,734,019.40/682,101,029.10 = 248,109,758.60/x
  3. Step 3: Cross multiply
    454,734,019.40x = 682,101,029.10 × 248,109,758.60
  4. Step 4: Simplify right side
    454,734,019.40x = 169,235,921,670,812,576
  5. Step 5: Solve for x
    x = 169,235,921,670,812,576/454,734,019.40
  6. Step 6: Final answer
    x = 372,164,637.90

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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.