Home / 333,983,999.70-500,975,999.55-211,539,993.30

Finding the Fourth Proportional to 333,983,999.70, 500,975,999.55 and 211,539,993.30

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Solution

The fourth proportional to 333,983,999.70, 500,975,999.55 and 211,539,993.30 is: 317,309,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,983,999.70 : 500,975,999.55 = 211,539,993.30 : x
  2. Step 2: Convert to fraction form
    333,983,999.70/500,975,999.55 = 211,539,993.30/x
  3. Step 3: Cross multiply
    333,983,999.70x = 500,975,999.55 × 211,539,993.30
  4. Step 4: Simplify right side
    333,983,999.70x = 105,976,459,588,267,808
  5. Step 5: Solve for x
    x = 105,976,459,588,267,808/333,983,999.70
  6. Step 6: Final answer
    x = 317,309,989.95

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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.