Home / 310,743,346,930.07-428,821,292,295.47-173,568,125,109.83

Finding the Fourth Proportional to 310,743,346,930.07, 428,821,292,295.47 and 173,568,125,109.83

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Solution

The fourth proportional to 310,743,346,930.07, 428,821,292,295.47 and 173,568,125,109.83 is: 239,521,484,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,743,346,930.07 : 428,821,292,295.47 = 173,568,125,109.83 : x
  2. Step 2: Convert to fraction form
    310,743,346,930.07/428,821,292,295.47 = 173,568,125,109.83/x
  3. Step 3: Cross multiply
    310,743,346,930.07x = 428,821,292,295.47 × 173,568,125,109.83
  4. Step 4: Simplify right side
    310,743,346,930.07x = 74,429,707,710,899,102,416,896
  5. Step 5: Solve for x
    x = 74,429,707,710,899,102,416,896/310,743,346,930.07
  6. Step 6: Final answer
    x = 239,521,484,357.47

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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.