Home / 277,946,652,699.64-383,545,330,670.24-155,987,832,920.07

Finding the Fourth Proportional to 277,946,652,699.64, 383,545,330,670.24 and 155,987,832,920.07

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Solution

The fourth proportional to 277,946,652,699.64, 383,545,330,670.24 and 155,987,832,920.07 is: 215,251,395,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,946,652,699.64 : 383,545,330,670.24 = 155,987,832,920.07 : x
  2. Step 2: Convert to fraction form
    277,946,652,699.64/383,545,330,670.24 = 155,987,832,920.07/x
  3. Step 3: Cross multiply
    277,946,652,699.64x = 383,545,330,670.24 × 155,987,832,920.07
  4. Step 4: Simplify right side
    277,946,652,699.64x = 59,828,404,957,862,397,214,720
  5. Step 5: Solve for x
    x = 59,828,404,957,862,397,214,720/277,946,652,699.64
  6. Step 6: Final answer
    x = 215,251,395,822.76

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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.