Home / 394,117,806,070.60-591,177,677,878.55-111,138,132,495.22

Finding the Fourth Proportional to 394,117,806,070.60, 591,177,677,878.55 and 111,138,132,495.22

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Solution

The fourth proportional to 394,117,806,070.60, 591,177,677,878.55 and 111,138,132,495.22 is: 166,707,471,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,117,806,070.60 : 591,177,677,878.55 = 111,138,132,495.22 : x
  2. Step 2: Convert to fraction form
    394,117,806,070.60/591,177,677,878.55 = 111,138,132,495.22/x
  3. Step 3: Cross multiply
    394,117,806,070.60x = 591,177,677,878.55 × 111,138,132,495.22
  4. Step 4: Simplify right side
    394,117,806,070.60x = 65,702,383,092,282,786,054,144
  5. Step 5: Solve for x
    x = 65,702,383,092,282,786,054,144/394,117,806,070.60
  6. Step 6: Final answer
    x = 166,707,471,929.13

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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.