Home / 277,946,652,695.61-383,545,330,664.73-155,987,832,916.05

Finding the Fourth Proportional to 277,946,652,695.61, 383,545,330,664.73 and 155,987,832,916.05

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Solution

The fourth proportional to 277,946,652,695.61, 383,545,330,664.73 and 155,987,832,916.05 is: 215,251,395,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,946,652,695.61 : 383,545,330,664.73 = 155,987,832,916.05 : x
  2. Step 2: Convert to fraction form
    277,946,652,695.61/383,545,330,664.73 = 155,987,832,916.05/x
  3. Step 3: Cross multiply
    277,946,652,695.61x = 383,545,330,664.73 × 155,987,832,916.05
  4. Step 4: Simplify right side
    277,946,652,695.61x = 59,828,404,955,461,040,734,208
  5. Step 5: Solve for x
    x = 59,828,404,955,461,040,734,208/277,946,652,695.61
  6. Step 6: Final answer
    x = 215,251,395,817.25

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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.