Home / 431,821,322,302.72-595,932,156,879.70-239,133,495,228.50

Finding the Fourth Proportional to 431,821,322,302.72, 595,932,156,879.70 and 239,133,495,228.50

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Solution

The fourth proportional to 431,821,322,302.72, 595,932,156,879.70 and 239,133,495,228.50 is: 330,014,596,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,821,322,302.72 : 595,932,156,879.70 = 239,133,495,228.50 : x
  2. Step 2: Convert to fraction form
    431,821,322,302.72/595,932,156,879.70 = 239,133,495,228.50/x
  3. Step 3: Cross multiply
    431,821,322,302.72x = 595,932,156,879.70 × 239,133,495,228.50
  4. Step 4: Simplify right side
    431,821,322,302.72x = 142,507,339,593,701,438,521,344
  5. Step 5: Solve for x
    x = 142,507,339,593,701,438,521,344/431,821,322,302.72
  6. Step 6: Final answer
    x = 330,014,596,856.34

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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.