Home / 699,384,081.42-965,585,605.05-445,208,853.06

Finding the Fourth Proportional to 699,384,081.42, 965,585,605.05 and 445,208,853.06

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Solution

The fourth proportional to 699,384,081.42, 965,585,605.05 and 445,208,853.06 is: 614,665,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,081.42 : 965,585,605.05 = 445,208,853.06 : x
  2. Step 2: Convert to fraction form
    699,384,081.42/965,585,605.05 = 445,208,853.06/x
  3. Step 3: Cross multiply
    699,384,081.42x = 965,585,605.05 × 445,208,853.06
  4. Step 4: Simplify right side
    699,384,081.42x = 429,887,259,755,556,608
  5. Step 5: Solve for x
    x = 429,887,259,755,556,608/699,384,081.42
  6. Step 6: Final answer
    x = 614,665,490.93

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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.