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Finding the Fourth Proportional to 615,794,539, 849,789,693.90 and 333,529,958.08

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Solution

The fourth proportional to 615,794,539, 849,789,693.90 and 333,529,958.08 is: 460,267,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,794,539 : 849,789,693.90 = 333,529,958.08 : x
  2. Step 2: Convert to fraction form
    615,794,539/849,789,693.90 = 333,529,958.08/x
  3. Step 3: Cross multiply
    615,794,539x = 849,789,693.90 × 333,529,958.08
  4. Step 4: Simplify right side
    615,794,539x = 283,430,320,983,283,008
  5. Step 5: Solve for x
    x = 283,430,320,983,283,008/615,794,539
  6. Step 6: Final answer
    x = 460,267,675.39

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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.