Home / 256,993,920,398.39-354,654,823,856.64-141,263,315,443.49

Finding the Fourth Proportional to 256,993,920,398.39, 354,654,823,856.64 and 141,263,315,443.49

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Solution

The fourth proportional to 256,993,920,398.39, 354,654,823,856.64 and 141,263,315,443.49 is: 194,945,141,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,993,920,398.39 : 354,654,823,856.64 = 141,263,315,443.49 : x
  2. Step 2: Convert to fraction form
    256,993,920,398.39/354,654,823,856.64 = 141,263,315,443.49/x
  3. Step 3: Cross multiply
    256,993,920,398.39x = 354,654,823,856.64 × 141,263,315,443.49
  4. Step 4: Simplify right side
    256,993,920,398.39x = 50,099,716,256,015,918,825,472
  5. Step 5: Solve for x
    x = 50,099,716,256,015,918,825,472/256,993,920,398.39
  6. Step 6: Final answer
    x = 194,945,141,808.61

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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.