Home / 515,474,666.07-711,504,936.45-336,885,420.19

Finding the Fourth Proportional to 515,474,666.07, 711,504,936.45 and 336,885,420.19

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Solution

The fourth proportional to 515,474,666.07, 711,504,936.45 and 336,885,420.19 is: 464,999,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,474,666.07 : 711,504,936.45 = 336,885,420.19 : x
  2. Step 2: Convert to fraction form
    515,474,666.07/711,504,936.45 = 336,885,420.19/x
  3. Step 3: Cross multiply
    515,474,666.07x = 711,504,936.45 × 336,885,420.19
  4. Step 4: Simplify right side
    515,474,666.07x = 239,695,639,483,217,504
  5. Step 5: Solve for x
    x = 239,695,639,483,217,504/515,474,666.07
  6. Step 6: Final answer
    x = 464,999,844.34

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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.