Home / 317,952,012.80-476,928,019.20-197,019,660.80

Finding the Fourth Proportional to 317,952,012.80, 476,928,019.20 and 197,019,660.80

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Solution

The fourth proportional to 317,952,012.80, 476,928,019.20 and 197,019,660.80 is: 295,529,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,012.80 : 476,928,019.20 = 197,019,660.80 : x
  2. Step 2: Convert to fraction form
    317,952,012.80/476,928,019.20 = 197,019,660.80/x
  3. Step 3: Cross multiply
    317,952,012.80x = 476,928,019.20 × 197,019,660.80
  4. Step 4: Simplify right side
    317,952,012.80x = 93,964,196,568,799,888
  5. Step 5: Solve for x
    x = 93,964,196,568,799,888/317,952,012.80
  6. Step 6: Final answer
    x = 295,529,491.20

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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.