Home / 458,544,787.21-632,818,372.89-345,311,571.88

Finding the Fourth Proportional to 458,544,787.21, 632,818,372.89 and 345,311,571.88

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Solution

The fourth proportional to 458,544,787.21, 632,818,372.89 and 345,311,571.88 is: 476,549,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,544,787.21 : 632,818,372.89 = 345,311,571.88 : x
  2. Step 2: Convert to fraction form
    458,544,787.21/632,818,372.89 = 345,311,571.88/x
  3. Step 3: Cross multiply
    458,544,787.21x = 632,818,372.89 × 345,311,571.88
  4. Step 4: Simplify right side
    458,544,787.21x = 218,519,507,057,189,856
  5. Step 5: Solve for x
    x = 218,519,507,057,189,856/458,544,787.21
  6. Step 6: Final answer
    x = 476,549,975.38

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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.