Home / 499,573,407.72-689,419,464.28-273,508,619.60

Finding the Fourth Proportional to 499,573,407.72, 689,419,464.28 and 273,508,619.60

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Solution

The fourth proportional to 499,573,407.72, 689,419,464.28 and 273,508,619.60 is: 377,446,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,573,407.72 : 689,419,464.28 = 273,508,619.60 : x
  2. Step 2: Convert to fraction form
    499,573,407.72/689,419,464.28 = 273,508,619.60/x
  3. Step 3: Cross multiply
    499,573,407.72x = 689,419,464.28 × 273,508,619.60
  4. Step 4: Simplify right side
    499,573,407.72x = 188,562,166,000,594,304
  5. Step 5: Solve for x
    x = 188,562,166,000,594,304/499,573,407.72
  6. Step 6: Final answer
    x = 377,446,363.41

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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.