Home / 715,031,106.82-1,072,566,786.30-197,461,549.60

Finding the Fourth Proportional to 715,031,106.82, 1,072,566,786.30 and 197,461,549.60

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Solution

The fourth proportional to 715,031,106.82, 1,072,566,786.30 and 197,461,549.60 is: 296,197,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,031,106.82 : 1,072,566,786.30 = 197,461,549.60 : x
  2. Step 2: Convert to fraction form
    715,031,106.82/1,072,566,786.30 = 197,461,549.60/x
  3. Step 3: Cross multiply
    715,031,106.82x = 1,072,566,786.30 × 197,461,549.60
  4. Step 4: Simplify right side
    715,031,106.82x = 211,790,699,672,290,048
  5. Step 5: Solve for x
    x = 211,790,699,672,290,048/715,031,106.82
  6. Step 6: Final answer
    x = 296,197,882.37

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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.