Home / 29,978,771,831.12-41,369,285,905.08-17,942,414,377.52

Finding the Fourth Proportional to 29,978,771,831.12, 41,369,285,905.08 and 17,942,414,377.52

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Solution

The fourth proportional to 29,978,771,831.12, 41,369,285,905.08 and 17,942,414,377.52 is: 24,759,682,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978,771,831.12 : 41,369,285,905.08 = 17,942,414,377.52 : x
  2. Step 2: Convert to fraction form
    29,978,771,831.12/41,369,285,905.08 = 17,942,414,377.52/x
  3. Step 3: Cross multiply
    29,978,771,831.12x = 41,369,285,905.08 × 17,942,414,377.52
  4. Step 4: Simplify right side
    29,978,771,831.12x = 742,264,870,211,042,934,784
  5. Step 5: Solve for x
    x = 742,264,870,211,042,934,784/29,978,771,831.12
  6. Step 6: Final answer
    x = 24,759,682,431.04

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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.