Home / 772,616,481.35-1,159,441,333.91-330,062,584.85

Finding the Fourth Proportional to 772,616,481.35, 1,159,441,333.91 and 330,062,584.85

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Solution

The fourth proportional to 772,616,481.35, 1,159,441,333.91 and 330,062,584.85 is: 495,314,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,616,481.35 : 1,159,441,333.91 = 330,062,584.85 : x
  2. Step 2: Convert to fraction form
    772,616,481.35/1,159,441,333.91 = 330,062,584.85/x
  3. Step 3: Cross multiply
    772,616,481.35x = 1,159,441,333.91 × 330,062,584.85
  4. Step 4: Simplify right side
    772,616,481.35x = 382,688,203,644,819,072
  5. Step 5: Solve for x
    x = 382,688,203,644,819,072/772,616,481.35
  6. Step 6: Final answer
    x = 495,314,574.41

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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.