Home / 500,976,010.80-751,464,016.20-317,310,001.20

Finding the Fourth Proportional to 500,976,010.80, 751,464,016.20 and 317,310,001.20

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Solution

The fourth proportional to 500,976,010.80, 751,464,016.20 and 317,310,001.20 is: 475,965,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,976,010.80 : 751,464,016.20 = 317,310,001.20 : x
  2. Step 2: Convert to fraction form
    500,976,010.80/751,464,016.20 = 317,310,001.20/x
  3. Step 3: Cross multiply
    500,976,010.80x = 751,464,016.20 × 317,310,001.20
  4. Step 4: Simplify right side
    500,976,010.80x = 238,447,047,882,178,816
  5. Step 5: Solve for x
    x = 238,447,047,882,178,816/500,976,010.80
  6. Step 6: Final answer
    x = 475,965,001.80

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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.