Home / 502,509,241.50-693,414,172.43-290,773,836.48

Finding the Fourth Proportional to 502,509,241.50, 693,414,172.43 and 290,773,836.48

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Solution

The fourth proportional to 502,509,241.50, 693,414,172.43 and 290,773,836.48 is: 401,239,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,509,241.50 : 693,414,172.43 = 290,773,836.48 : x
  2. Step 2: Convert to fraction form
    502,509,241.50/693,414,172.43 = 290,773,836.48/x
  3. Step 3: Cross multiply
    502,509,241.50x = 693,414,172.43 × 290,773,836.48
  4. Step 4: Simplify right side
    502,509,241.50x = 201,626,699,189,308,160
  5. Step 5: Solve for x
    x = 201,626,699,189,308,160/502,509,241.50
  6. Step 6: Final answer
    x = 401,239,783.35

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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.