Home / 421,385,460.84-581,507,652.42-233,214,120.27

Finding the Fourth Proportional to 421,385,460.84, 581,507,652.42 and 233,214,120.27

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Solution

The fourth proportional to 421,385,460.84, 581,507,652.42 and 233,214,120.27 is: 321,833,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,385,460.84 : 581,507,652.42 = 233,214,120.27 : x
  2. Step 2: Convert to fraction form
    421,385,460.84/581,507,652.42 = 233,214,120.27/x
  3. Step 3: Cross multiply
    421,385,460.84x = 581,507,652.42 × 233,214,120.27
  4. Step 4: Simplify right side
    421,385,460.84x = 135,615,795,589,403,232
  5. Step 5: Solve for x
    x = 135,615,795,589,403,232/421,385,460.84
  6. Step 6: Final answer
    x = 321,833,115.26

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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.