Home / 321,154,532.70-483,890,768.03-290,483,306.46

Finding the Fourth Proportional to 321,154,532.70, 483,890,768.03 and 290,483,306.46

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Solution

The fourth proportional to 321,154,532.70, 483,890,768.03 and 290,483,306.46 is: 437,677,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,154,532.70 : 483,890,768.03 = 290,483,306.46 : x
  2. Step 2: Convert to fraction form
    321,154,532.70/483,890,768.03 = 290,483,306.46/x
  3. Step 3: Cross multiply
    321,154,532.70x = 483,890,768.03 × 290,483,306.46
  4. Step 4: Simplify right side
    321,154,532.70x = 140,562,190,261,370,832
  5. Step 5: Solve for x
    x = 140,562,190,261,370,832/321,154,532.70
  6. Step 6: Final answer
    x = 437,677,740.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.