Home / 269,587,419,501.84-404,285,745,880.68-78,319,664,459.52

Finding the Fourth Proportional to 269,587,419,501.84, 404,285,745,880.68 and 78,319,664,459.52

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Solution

The fourth proportional to 269,587,419,501.84, 404,285,745,880.68 and 78,319,664,459.52 is: 117,451,786,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,587,419,501.84 : 404,285,745,880.68 = 78,319,664,459.52 : x
  2. Step 2: Convert to fraction form
    269,587,419,501.84/404,285,745,880.68 = 78,319,664,459.52/x
  3. Step 3: Cross multiply
    269,587,419,501.84x = 404,285,745,880.68 × 78,319,664,459.52
  4. Step 4: Simplify right side
    269,587,419,501.84x = 31,663,523,963,141,628,100,608
  5. Step 5: Solve for x
    x = 31,663,523,963,141,628,100,608/269,587,419,501.84
  6. Step 6: Final answer
    x = 117,451,786,220.78

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1.5x scale

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.