Home / 276,282,380.64-381,259,690.08-152,520,400.32

Finding the Fourth Proportional to 276,282,380.64, 381,259,690.08 and 152,520,400.32

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Solution

The fourth proportional to 276,282,380.64, 381,259,690.08 and 152,520,400.32 is: 210,472,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,282,380.64 : 381,259,690.08 = 152,520,400.32 : x
  2. Step 2: Convert to fraction form
    276,282,380.64/381,259,690.08 = 152,520,400.32/x
  3. Step 3: Cross multiply
    276,282,380.64x = 381,259,690.08 × 152,520,400.32
  4. Step 4: Simplify right side
    276,282,380.64x = 58,149,880,556,880,728
  5. Step 5: Solve for x
    x = 58,149,880,556,880,728/276,282,380.64
  6. Step 6: Final answer
    x = 210,472,634.64

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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.