Home / 330,943,450.62-456,687,226.51-189,713,420.40

Finding the Fourth Proportional to 330,943,450.62, 456,687,226.51 and 189,713,420.40

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Solution

The fourth proportional to 330,943,450.62, 456,687,226.51 and 189,713,420.40 is: 261,796,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,943,450.62 : 456,687,226.51 = 189,713,420.40 : x
  2. Step 2: Convert to fraction form
    330,943,450.62/456,687,226.51 = 189,713,420.40/x
  3. Step 3: Cross multiply
    330,943,450.62x = 456,687,226.51 × 189,713,420.40
  4. Step 4: Simplify right side
    330,943,450.62x = 86,639,695,794,201,648
  5. Step 5: Solve for x
    x = 86,639,695,794,201,648/330,943,450.62
  6. Step 6: Final answer
    x = 261,796,073.11

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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.