Home / 408,216,186.64-611,977,470.36-189,993,252.88

Finding the Fourth Proportional to 408,216,186.64, 611,977,470.36 and 189,993,252.88

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Solution

The fourth proportional to 408,216,186.64, 611,977,470.36 and 189,993,252.88 is: 284,828,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,216,186.64 : 611,977,470.36 = 189,993,252.88 : x
  2. Step 2: Convert to fraction form
    408,216,186.64/611,977,470.36 = 189,993,252.88/x
  3. Step 3: Cross multiply
    408,216,186.64x = 611,977,470.36 × 189,993,252.88
  4. Step 4: Simplify right side
    408,216,186.64x = 116,271,590,282,970,192
  5. Step 5: Solve for x
    x = 116,271,590,282,970,192/408,216,186.64
  6. Step 6: Final answer
    x = 284,828,466.11

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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.