Home / 1,074,771,307,811.20-1,612,383,379,594.40-348,645,940,630.60

Finding the Fourth Proportional to 1,074,771,307,811.20, 1,612,383,379,594.40 and 348,645,940,630.60

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Solution

The fourth proportional to 1,074,771,307,811.20, 1,612,383,379,594.40 and 348,645,940,630.60 is: 523,042,358,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,771,307,811.20 : 1,612,383,379,594.40 = 348,645,940,630.60 : x
  2. Step 2: Convert to fraction form
    1,074,771,307,811.20/1,612,383,379,594.40 = 348,645,940,630.60/x
  3. Step 3: Cross multiply
    1,074,771,307,811.20x = 1,612,383,379,594.40 × 348,645,940,630.60
  4. Step 4: Simplify right side
    1,074,771,307,811.20x = 562,150,920,035,835,307,884,544
  5. Step 5: Solve for x
    x = 562,150,920,035,835,307,884,544/1,074,771,307,811.20
  6. Step 6: Final answer
    x = 523,042,358,825.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.