Home / 277,569,472.12-383,219,982.18-178,622,133.16

Finding the Fourth Proportional to 277,569,472.12, 383,219,982.18 and 178,622,133.16

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Solution

The fourth proportional to 277,569,472.12, 383,219,982.18 and 178,622,133.16 is: 246,610,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,569,472.12 : 383,219,982.18 = 178,622,133.16 : x
  2. Step 2: Convert to fraction form
    277,569,472.12/383,219,982.18 = 178,622,133.16/x
  3. Step 3: Cross multiply
    277,569,472.12x = 383,219,982.18 × 178,622,133.16
  4. Step 4: Simplify right side
    277,569,472.12x = 68,451,570,686,528,784
  5. Step 5: Solve for x
    x = 68,451,570,686,528,784/277,569,472.12
  6. Step 6: Final answer
    x = 246,610,587.84

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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.