Home / 256,296,708,019.95-353,656,948,984.29-140,523,002,037.58

Finding the Fourth Proportional to 256,296,708,019.95, 353,656,948,984.29 and 140,523,002,037.58

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Solution

The fourth proportional to 256,296,708,019.95, 353,656,948,984.29 and 140,523,002,037.58 is: 193,903,919,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,296,708,019.95 : 353,656,948,984.29 = 140,523,002,037.58 : x
  2. Step 2: Convert to fraction form
    256,296,708,019.95/353,656,948,984.29 = 140,523,002,037.58/x
  3. Step 3: Cross multiply
    256,296,708,019.95x = 353,656,948,984.29 × 140,523,002,037.58
  4. Step 4: Simplify right side
    256,296,708,019.95x = 49,696,936,162,723,698,311,168
  5. Step 5: Solve for x
    x = 49,696,936,162,723,698,311,168/256,296,708,019.95
  6. Step 6: Final answer
    x = 193,903,919,198.43

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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.