Home / 443,554,356.58-612,080,216.40-242,571,538.78

Finding the Fourth Proportional to 443,554,356.58, 612,080,216.40 and 242,571,538.78

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Solution

The fourth proportional to 443,554,356.58, 612,080,216.40 and 242,571,538.78 is: 334,735,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,554,356.58 : 612,080,216.40 = 242,571,538.78 : x
  2. Step 2: Convert to fraction form
    443,554,356.58/612,080,216.40 = 242,571,538.78/x
  3. Step 3: Cross multiply
    443,554,356.58x = 612,080,216.40 × 242,571,538.78
  4. Step 4: Simplify right side
    443,554,356.58x = 148,473,239,948,943,392
  5. Step 5: Solve for x
    x = 148,473,239,948,943,392/443,554,356.58
  6. Step 6: Final answer
    x = 334,735,163.22

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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.