Home / 408,216,184.64-611,977,467.36-189,993,250.88

Finding the Fourth Proportional to 408,216,184.64, 611,977,467.36 and 189,993,250.88

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Solution

The fourth proportional to 408,216,184.64, 611,977,467.36 and 189,993,250.88 is: 284,828,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,216,184.64 : 611,977,467.36 = 189,993,250.88 : x
  2. Step 2: Convert to fraction form
    408,216,184.64/611,977,467.36 = 189,993,250.88/x
  3. Step 3: Cross multiply
    408,216,184.64x = 611,977,467.36 × 189,993,250.88
  4. Step 4: Simplify right side
    408,216,184.64x = 116,271,588,489,035,488
  5. Step 5: Solve for x
    x = 116,271,588,489,035,488/408,216,184.64
  6. Step 6: Final answer
    x = 284,828,463.11

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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.