Home / 291,931,406.08-400,719,391.60-258,151,528.96

Finding the Fourth Proportional to 291,931,406.08, 400,719,391.60 and 258,151,528.96

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Solution

The fourth proportional to 291,931,406.08, 400,719,391.60 and 258,151,528.96 is: 354,351,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,931,406.08 : 400,719,391.60 = 258,151,528.96 : x
  2. Step 2: Convert to fraction form
    291,931,406.08/400,719,391.60 = 258,151,528.96/x
  3. Step 3: Cross multiply
    291,931,406.08x = 400,719,391.60 × 258,151,528.96
  4. Step 4: Simplify right side
    291,931,406.08x = 103,446,323,625,460,992
  5. Step 5: Solve for x
    x = 103,446,323,625,460,992/291,931,406.08
  6. Step 6: Final answer
    x = 354,351,472.54

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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.