Home / 522,027,090.42-720,193,493.46-298,889,518.38

Finding the Fourth Proportional to 522,027,090.42, 720,193,493.46 and 298,889,518.38

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Solution

The fourth proportional to 522,027,090.42, 720,193,493.46 and 298,889,518.38 is: 412,350,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,027,090.42 : 720,193,493.46 = 298,889,518.38 : x
  2. Step 2: Convert to fraction form
    522,027,090.42/720,193,493.46 = 298,889,518.38/x
  3. Step 3: Cross multiply
    522,027,090.42x = 720,193,493.46 × 298,889,518.38
  4. Step 4: Simplify right side
    522,027,090.42x = 215,258,286,400,669,088
  5. Step 5: Solve for x
    x = 215,258,286,400,669,088/522,027,090.42
  6. Step 6: Final answer
    x = 412,350,796.25

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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.