Home / 355,003,362.43-489,895,241.61-198,371,756.50

Finding the Fourth Proportional to 355,003,362.43, 489,895,241.61 and 198,371,756.50

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Solution

The fourth proportional to 355,003,362.43, 489,895,241.61 and 198,371,756.50 is: 273,747,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,003,362.43 : 489,895,241.61 = 198,371,756.50 : x
  2. Step 2: Convert to fraction form
    355,003,362.43/489,895,241.61 = 198,371,756.50/x
  3. Step 3: Cross multiply
    355,003,362.43x = 489,895,241.61 × 198,371,756.50
  4. Step 4: Simplify right side
    355,003,362.43x = 97,181,379,579,167,584
  5. Step 5: Solve for x
    x = 97,181,379,579,167,584/355,003,362.43
  6. Step 6: Final answer
    x = 273,747,772.17

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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.