Home / 354,613,745,679.75-489,367,440,960.54-192,033,671,971.48

Finding the Fourth Proportional to 354,613,745,679.75, 489,367,440,960.54 and 192,033,671,971.48

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Solution

The fourth proportional to 354,613,745,679.75, 489,367,440,960.54 and 192,033,671,971.48 is: 265,006,722,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,613,745,679.75 : 489,367,440,960.54 = 192,033,671,971.48 : x
  2. Step 2: Convert to fraction form
    354,613,745,679.75/489,367,440,960.54 = 192,033,671,971.48/x
  3. Step 3: Cross multiply
    354,613,745,679.75x = 489,367,440,960.54 × 192,033,671,971.48
  4. Step 4: Simplify right side
    354,613,745,679.75x = 93,975,026,630,938,947,747,840
  5. Step 5: Solve for x
    x = 93,975,026,630,938,947,747,840/354,613,745,679.75
  6. Step 6: Final answer
    x = 265,006,722,880.41

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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.