Home / 699,384,063.80-965,585,580.74-445,208,835.33

Finding the Fourth Proportional to 699,384,063.80, 965,585,580.74 and 445,208,835.33

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Solution

The fourth proportional to 699,384,063.80, 965,585,580.74 and 445,208,835.33 is: 614,665,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,063.80 : 965,585,580.74 = 445,208,835.33 : x
  2. Step 2: Convert to fraction form
    699,384,063.80/965,585,580.74 = 445,208,835.33/x
  3. Step 3: Cross multiply
    699,384,063.80x = 965,585,580.74 × 445,208,835.33
  4. Step 4: Simplify right side
    699,384,063.80x = 429,887,231,810,471,040
  5. Step 5: Solve for x
    x = 429,887,231,810,471,040/699,384,063.80
  6. Step 6: Final answer
    x = 614,665,466.46

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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.