Home / 325,981,459.65-488,995,809.08-196,309,855.65

Finding the Fourth Proportional to 325,981,459.65, 488,995,809.08 and 196,309,855.65

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Solution

The fourth proportional to 325,981,459.65, 488,995,809.08 and 196,309,855.65 is: 294,479,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,981,459.65 : 488,995,809.08 = 196,309,855.65 : x
  2. Step 2: Convert to fraction form
    325,981,459.65/488,995,809.08 = 196,309,855.65/x
  3. Step 3: Cross multiply
    325,981,459.65x = 488,995,809.08 × 196,309,855.65
  4. Step 4: Simplify right side
    325,981,459.65x = 95,994,696,692,968,208
  5. Step 5: Solve for x
    x = 95,994,696,692,968,208/325,981,459.65
  6. Step 6: Final answer
    x = 294,479,007.47

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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.