Home / 405,552,208.80-608,328,313.20-269,237,592.30

Finding the Fourth Proportional to 405,552,208.80, 608,328,313.20 and 269,237,592.30

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Solution

The fourth proportional to 405,552,208.80, 608,328,313.20 and 269,237,592.30 is: 403,856,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,552,208.80 : 608,328,313.20 = 269,237,592.30 : x
  2. Step 2: Convert to fraction form
    405,552,208.80/608,328,313.20 = 269,237,592.30/x
  3. Step 3: Cross multiply
    405,552,208.80x = 608,328,313.20 × 269,237,592.30
  4. Step 4: Simplify right side
    405,552,208.80x = 163,784,850,373,888,320
  5. Step 5: Solve for x
    x = 163,784,850,373,888,320/405,552,208.80
  6. Step 6: Final answer
    x = 403,856,388.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.