Home / 277,946,652,695.31-383,545,330,664.32-155,987,832,915.76

Finding the Fourth Proportional to 277,946,652,695.31, 383,545,330,664.32 and 155,987,832,915.76

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Solution

The fourth proportional to 277,946,652,695.31, 383,545,330,664.32 and 155,987,832,915.76 is: 215,251,395,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,946,652,695.31 : 383,545,330,664.32 = 155,987,832,915.76 : x
  2. Step 2: Convert to fraction form
    277,946,652,695.31/383,545,330,664.32 = 155,987,832,915.76/x
  3. Step 3: Cross multiply
    277,946,652,695.31x = 383,545,330,664.32 × 155,987,832,915.76
  4. Step 4: Simplify right side
    277,946,652,695.31x = 59,828,404,955,285,869,821,952
  5. Step 5: Solve for x
    x = 59,828,404,955,285,869,821,952/277,946,652,695.31
  6. Step 6: Final answer
    x = 215,251,395,816.85

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Double scale
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1.5x scale

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.