Home / 715,031,105.82-1,072,566,784.80-197,461,548.60

Finding the Fourth Proportional to 715,031,105.82, 1,072,566,784.80 and 197,461,548.60

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Solution

The fourth proportional to 715,031,105.82, 1,072,566,784.80 and 197,461,548.60 is: 296,197,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,031,105.82 : 1,072,566,784.80 = 197,461,548.60 : x
  2. Step 2: Convert to fraction form
    715,031,105.82/1,072,566,784.80 = 197,461,548.60/x
  3. Step 3: Cross multiply
    715,031,105.82x = 1,072,566,784.80 × 197,461,548.60
  4. Step 4: Simplify right side
    715,031,105.82x = 211,790,698,303,530,912
  5. Step 5: Solve for x
    x = 211,790,698,303,530,912/715,031,105.82
  6. Step 6: Final answer
    x = 296,197,880.87

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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.