Home / 276,238,496,170.92-381,209,715,501.78-155,944,434,336.42

Finding the Fourth Proportional to 276,238,496,170.92, 381,209,715,501.78 and 155,944,434,336.42

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Solution

The fourth proportional to 276,238,496,170.92, 381,209,715,501.78 and 155,944,434,336.42 is: 215,203,652,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,238,496,170.92 : 381,209,715,501.78 = 155,944,434,336.42 : x
  2. Step 2: Convert to fraction form
    276,238,496,170.92/381,209,715,501.78 = 155,944,434,336.42/x
  3. Step 3: Cross multiply
    276,238,496,170.92x = 381,209,715,501.78 × 155,944,434,336.42
  4. Step 4: Simplify right side
    276,238,496,170.92x = 59,447,533,447,472,689,971,200
  5. Step 5: Solve for x
    x = 59,447,533,447,472,689,971,200/276,238,496,170.92
  6. Step 6: Final answer
    x = 215,203,652,899.60

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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.