Home / 308,850,693.09-463,275,648.39-78,819,782.91

Finding the Fourth Proportional to 308,850,693.09, 463,275,648.39 and 78,819,782.91

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Solution

The fourth proportional to 308,850,693.09, 463,275,648.39 and 78,819,782.91 is: 118,229,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850,693.09 : 463,275,648.39 = 78,819,782.91 : x
  2. Step 2: Convert to fraction form
    308,850,693.09/463,275,648.39 = 78,819,782.91/x
  3. Step 3: Cross multiply
    308,850,693.09x = 463,275,648.39 × 78,819,782.91
  4. Step 4: Simplify right side
    308,850,693.09x = 36,515,286,033,589,288
  5. Step 5: Solve for x
    x = 36,515,286,033,589,288/308,850,693.09
  6. Step 6: Final answer
    x = 118,229,574.52

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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.