Home / 554,848,795.80-765,685,236.06-300,523,825.20

Finding the Fourth Proportional to 554,848,795.80, 765,685,236.06 and 300,523,825.20

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Solution

The fourth proportional to 554,848,795.80, 765,685,236.06 and 300,523,825.20 is: 414,719,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,848,795.80 : 765,685,236.06 = 300,523,825.20 : x
  2. Step 2: Convert to fraction form
    554,848,795.80/765,685,236.06 = 300,523,825.20/x
  3. Step 3: Cross multiply
    554,848,795.80x = 765,685,236.06 × 300,523,825.20
  4. Step 4: Simplify right side
    554,848,795.80x = 230,106,656,039,916,160
  5. Step 5: Solve for x
    x = 230,106,656,039,916,160/554,848,795.80
  6. Step 6: Final answer
    x = 414,719,573.66

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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.