Home / 535,557,791.09-739,029,191.72-300,563,066.45

Finding the Fourth Proportional to 535,557,791.09, 739,029,191.72 and 300,563,066.45

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Solution

The fourth proportional to 535,557,791.09, 739,029,191.72 and 300,563,066.45 is: 414,754,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,557,791.09 : 739,029,191.72 = 300,563,066.45 : x
  2. Step 2: Convert to fraction form
    535,557,791.09/739,029,191.72 = 300,563,066.45/x
  3. Step 3: Cross multiply
    535,557,791.09x = 739,029,191.72 × 300,563,066.45
  4. Step 4: Simplify right side
    535,557,791.09x = 222,124,880,059,772,896
  5. Step 5: Solve for x
    x = 222,124,880,059,772,896/535,557,791.09
  6. Step 6: Final answer
    x = 414,754,268.83

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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.