Home / 256,396,018,592.88-353,868,874,931.16-142,247,415,884.40

Finding the Fourth Proportional to 256,396,018,592.88, 353,868,874,931.16 and 142,247,415,884.40

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Solution

The fourth proportional to 256,396,018,592.88, 353,868,874,931.16 and 142,247,415,884.40 is: 196,324,940,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,396,018,592.88 : 353,868,874,931.16 = 142,247,415,884.40 : x
  2. Step 2: Convert to fraction form
    256,396,018,592.88/353,868,874,931.16 = 142,247,415,884.40/x
  3. Step 3: Cross multiply
    256,396,018,592.88x = 353,868,874,931.16 × 142,247,415,884.40
  4. Step 4: Simplify right side
    256,396,018,592.88x = 50,336,933,020,877,442,777,088
  5. Step 5: Solve for x
    x = 50,336,933,020,877,442,777,088/256,396,018,592.88
  6. Step 6: Final answer
    x = 196,324,940,212.14

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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.