Home / 481,071,299.31-663,878,393.10-261,054,725.31

Finding the Fourth Proportional to 481,071,299.31, 663,878,393.10 and 261,054,725.31

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Solution

The fourth proportional to 481,071,299.31, 663,878,393.10 and 261,054,725.31 is: 360,255,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,299.31 : 663,878,393.10 = 261,054,725.31 : x
  2. Step 2: Convert to fraction form
    481,071,299.31/663,878,393.10 = 261,054,725.31/x
  3. Step 3: Cross multiply
    481,071,299.31x = 663,878,393.10 × 261,054,725.31
  4. Step 4: Simplify right side
    481,071,299.31x = 173,308,591,549,964,704
  5. Step 5: Solve for x
    x = 173,308,591,549,964,704/481,071,299.31
  6. Step 6: Final answer
    x = 360,255,520.96

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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.