Home / 291,931,407.33-400,719,393.31-258,151,530.21

Finding the Fourth Proportional to 291,931,407.33, 400,719,393.31 and 258,151,530.21

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Solution

The fourth proportional to 291,931,407.33, 400,719,393.31 and 258,151,530.21 is: 354,351,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,931,407.33 : 400,719,393.31 = 258,151,530.21 : x
  2. Step 2: Convert to fraction form
    291,931,407.33/400,719,393.31 = 258,151,530.21/x
  3. Step 3: Cross multiply
    291,931,407.33x = 400,719,393.31 × 258,151,530.21
  4. Step 4: Simplify right side
    291,931,407.33x = 103,446,324,567,799,344
  5. Step 5: Solve for x
    x = 103,446,324,567,799,344/291,931,407.33
  6. Step 6: Final answer
    x = 354,351,474.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.