Home / 256,993,920,401.40-354,654,823,860.78-141,263,315,446.50

Finding the Fourth Proportional to 256,993,920,401.40, 354,654,823,860.78 and 141,263,315,446.50

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Solution

The fourth proportional to 256,993,920,401.40, 354,654,823,860.78 and 141,263,315,446.50 is: 194,945,141,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,993,920,401.40 : 354,654,823,860.78 = 141,263,315,446.50 : x
  2. Step 2: Convert to fraction form
    256,993,920,401.40/354,654,823,860.78 = 141,263,315,446.50/x
  3. Step 3: Cross multiply
    256,993,920,401.40x = 354,654,823,860.78 × 141,263,315,446.50
  4. Step 4: Simplify right side
    256,993,920,401.40x = 50,099,716,257,668,264,886,272
  5. Step 5: Solve for x
    x = 50,099,716,257,668,264,886,272/256,993,920,401.40
  6. Step 6: Final answer
    x = 194,945,141,812.76

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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.