Home / 277,946,652,697.10-383,545,330,666.79-155,987,832,917.55

Finding the Fourth Proportional to 277,946,652,697.10, 383,545,330,666.79 and 155,987,832,917.55

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Solution

The fourth proportional to 277,946,652,697.10, 383,545,330,666.79 and 155,987,832,917.55 is: 215,251,395,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,946,652,697.10 : 383,545,330,666.79 = 155,987,832,917.55 : x
  2. Step 2: Convert to fraction form
    277,946,652,697.10/383,545,330,666.79 = 155,987,832,917.55/x
  3. Step 3: Cross multiply
    277,946,652,697.10x = 383,545,330,666.79 × 155,987,832,917.55
  4. Step 4: Simplify right side
    277,946,652,697.10x = 59,828,404,956,357,699,043,328
  5. Step 5: Solve for x
    x = 59,828,404,956,357,699,043,328/277,946,652,697.10
  6. Step 6: Final answer
    x = 215,251,395,819.32

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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.