Home / 333,984,007.20-500,976,010.80-211,540,000.80

Finding the Fourth Proportional to 333,984,007.20, 500,976,010.80 and 211,540,000.80

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Solution

The fourth proportional to 333,984,007.20, 500,976,010.80 and 211,540,000.80 is: 317,310,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,984,007.20 : 500,976,010.80 = 211,540,000.80 : x
  2. Step 2: Convert to fraction form
    333,984,007.20/500,976,010.80 = 211,540,000.80/x
  3. Step 3: Cross multiply
    333,984,007.20x = 500,976,010.80 × 211,540,000.80
  4. Step 4: Simplify right side
    333,984,007.20x = 105,976,465,725,412,816
  5. Step 5: Solve for x
    x = 105,976,465,725,412,816/333,984,007.20
  6. Step 6: Final answer
    x = 317,310,001.20

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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.