Home / 554,496,146.77-765,199,447.73-319,460,481.49

Finding the Fourth Proportional to 554,496,146.77, 765,199,447.73 and 319,460,481.49

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Solution

The fourth proportional to 554,496,146.77, 765,199,447.73 and 319,460,481.49 is: 440,852,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,496,146.77 : 765,199,447.73 = 319,460,481.49 : x
  2. Step 2: Convert to fraction form
    554,496,146.77/765,199,447.73 = 319,460,481.49/x
  3. Step 3: Cross multiply
    554,496,146.77x = 765,199,447.73 × 319,460,481.49
  4. Step 4: Simplify right side
    554,496,146.77x = 244,450,984,004,680,544
  5. Step 5: Solve for x
    x = 244,450,984,004,680,544/554,496,146.77
  6. Step 6: Final answer
    x = 440,852,448.54

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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.