Home / 279,268,967,144.92-418,903,455,595.84-67,033,099,643.16

Finding the Fourth Proportional to 279,268,967,144.92, 418,903,455,595.84 and 67,033,099,643.16

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Solution

The fourth proportional to 279,268,967,144.92, 418,903,455,595.84 and 67,033,099,643.16 is: 100,549,650,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,268,967,144.92 : 418,903,455,595.84 = 67,033,099,643.16 : x
  2. Step 2: Convert to fraction form
    279,268,967,144.92/418,903,455,595.84 = 67,033,099,643.16/x
  3. Step 3: Cross multiply
    279,268,967,144.92x = 418,903,455,595.84 × 67,033,099,643.16
  4. Step 4: Simplify right side
    279,268,967,144.92x = 28,080,397,079,819,994,529,792
  5. Step 5: Solve for x
    x = 28,080,397,079,819,994,529,792/279,268,967,144.92
  6. Step 6: Final answer
    x = 100,549,650,635.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.