Home / 443,234,024.55-664,851,036.83-213,651,512.55

Finding the Fourth Proportional to 443,234,024.55, 664,851,036.83 and 213,651,512.55

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Solution

The fourth proportional to 443,234,024.55, 664,851,036.83 and 213,651,512.55 is: 320,477,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,024.55 : 664,851,036.83 = 213,651,512.55 : x
  2. Step 2: Convert to fraction form
    443,234,024.55/664,851,036.83 = 213,651,512.55/x
  3. Step 3: Cross multiply
    443,234,024.55x = 664,851,036.83 × 213,651,512.55
  4. Step 4: Simplify right side
    443,234,024.55x = 142,046,429,638,097,024
  5. Step 5: Solve for x
    x = 142,046,429,638,097,024/443,234,024.55
  6. Step 6: Final answer
    x = 320,477,268.83

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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.