Home / 328,085,950.69-490,918,236.37-197,008,054.76

Finding the Fourth Proportional to 328,085,950.69, 490,918,236.37 and 197,008,054.76

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Solution

The fourth proportional to 328,085,950.69, 490,918,236.37 and 197,008,054.76 is: 294,785,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,085,950.69 : 490,918,236.37 = 197,008,054.76 : x
  2. Step 2: Convert to fraction form
    328,085,950.69/490,918,236.37 = 197,008,054.76/x
  3. Step 3: Cross multiply
    328,085,950.69x = 490,918,236.37 × 197,008,054.76
  4. Step 4: Simplify right side
    328,085,950.69x = 96,714,846,791,439,392
  5. Step 5: Solve for x
    x = 96,714,846,791,439,392/328,085,950.69
  6. Step 6: Final answer
    x = 294,785,090.89

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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.