Home / 379,176,743,598.72-523,302,906,762.30-230,701,177,487.45

Finding the Fourth Proportional to 379,176,743,598.72, 523,302,906,762.30 and 230,701,177,487.45

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Solution

The fourth proportional to 379,176,743,598.72, 523,302,906,762.30 and 230,701,177,487.45 is: 318,391,353,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,176,743,598.72 : 523,302,906,762.30 = 230,701,177,487.45 : x
  2. Step 2: Convert to fraction form
    379,176,743,598.72/523,302,906,762.30 = 230,701,177,487.45/x
  3. Step 3: Cross multiply
    379,176,743,598.72x = 523,302,906,762.30 × 230,701,177,487.45
  4. Step 4: Simplify right side
    379,176,743,598.72x = 120,726,596,772,667,875,917,824
  5. Step 5: Solve for x
    x = 120,726,596,772,667,875,917,824/379,176,743,598.72
  6. Step 6: Final answer
    x = 318,391,353,928.69

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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.