Home / 443,554,354.58-612,080,213.64-242,571,536.78

Finding the Fourth Proportional to 443,554,354.58, 612,080,213.64 and 242,571,536.78

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Solution

The fourth proportional to 443,554,354.58, 612,080,213.64 and 242,571,536.78 is: 334,735,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,554,354.58 : 612,080,213.64 = 242,571,536.78 : x
  2. Step 2: Convert to fraction form
    443,554,354.58/612,080,213.64 = 242,571,536.78/x
  3. Step 3: Cross multiply
    443,554,354.58x = 612,080,213.64 × 242,571,536.78
  4. Step 4: Simplify right side
    443,554,354.58x = 148,473,238,055,285,504
  5. Step 5: Solve for x
    x = 148,473,238,055,285,504/443,554,354.58
  6. Step 6: Final answer
    x = 334,735,160.46

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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.