Home / 431,302,612.16-646,295,597.60-256,080,598.56

Finding the Fourth Proportional to 431,302,612.16, 646,295,597.60 and 256,080,598.56

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Solution

The fourth proportional to 431,302,612.16, 646,295,597.60 and 256,080,598.56 is: 383,730,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,302,612.16 : 646,295,597.60 = 256,080,598.56 : x
  2. Step 2: Convert to fraction form
    431,302,612.16/646,295,597.60 = 256,080,598.56/x
  3. Step 3: Cross multiply
    431,302,612.16x = 646,295,597.60 × 256,080,598.56
  4. Step 4: Simplify right side
    431,302,612.16x = 165,503,763,480,100,896
  5. Step 5: Solve for x
    x = 165,503,763,480,100,896/431,302,612.16
  6. Step 6: Final answer
    x = 383,730,028.09

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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.