Home / 353,150,580.21-487,434,295.18-273,608,311.05

Finding the Fourth Proportional to 353,150,580.21, 487,434,295.18 and 273,608,311.05

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Solution

The fourth proportional to 353,150,580.21, 487,434,295.18 and 273,608,311.05 is: 377,646,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,150,580.21 : 487,434,295.18 = 273,608,311.05 : x
  2. Step 2: Convert to fraction form
    353,150,580.21/487,434,295.18 = 273,608,311.05/x
  3. Step 3: Cross multiply
    353,150,580.21x = 487,434,295.18 × 273,608,311.05
  4. Step 4: Simplify right side
    353,150,580.21x = 133,366,074,252,388,960
  5. Step 5: Solve for x
    x = 133,366,074,252,388,960/353,150,580.21
  6. Step 6: Final answer
    x = 377,646,482.06

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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.