Home / 699,384,064.56-965,585,581.77-445,208,836.08

Finding the Fourth Proportional to 699,384,064.56, 965,585,581.77 and 445,208,836.08

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Solution

The fourth proportional to 699,384,064.56, 965,585,581.77 and 445,208,836.08 is: 614,665,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,064.56 : 965,585,581.77 = 445,208,836.08 : x
  2. Step 2: Convert to fraction form
    699,384,064.56/965,585,581.77 = 445,208,836.08/x
  3. Step 3: Cross multiply
    699,384,064.56x = 965,585,581.77 × 445,208,836.08
  4. Step 4: Simplify right side
    699,384,064.56x = 429,887,232,995,451,328
  5. Step 5: Solve for x
    x = 429,887,232,995,451,328/699,384,064.56
  6. Step 6: Final answer
    x = 614,665,467.49

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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.