Home / 349,669,889.12-482,531,796.81-193,033,632.78

Finding the Fourth Proportional to 349,669,889.12, 482,531,796.81 and 193,033,632.78

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Solution

The fourth proportional to 349,669,889.12, 482,531,796.81 and 193,033,632.78 is: 266,379,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,669,889.12 : 482,531,796.81 = 193,033,632.78 : x
  2. Step 2: Convert to fraction form
    349,669,889.12/482,531,796.81 = 193,033,632.78/x
  3. Step 3: Cross multiply
    349,669,889.12x = 482,531,796.81 × 193,033,632.78
  4. Step 4: Simplify right side
    349,669,889.12x = 93,144,865,670,095,120
  5. Step 5: Solve for x
    x = 93,144,865,670,095,120/349,669,889.12
  6. Step 6: Final answer
    x = 266,379,429.76

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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.