Home / 20,270,592,007.20-30,405,888,010.80-19,944,074,656.80

Finding the Fourth Proportional to 20,270,592,007.20, 30,405,888,010.80 and 19,944,074,656.80

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Solution

The fourth proportional to 20,270,592,007.20, 30,405,888,010.80 and 19,944,074,656.80 is: 29,916,111,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270,592,007.20 : 30,405,888,010.80 = 19,944,074,656.80 : x
  2. Step 2: Convert to fraction form
    20,270,592,007.20/30,405,888,010.80 = 19,944,074,656.80/x
  3. Step 3: Cross multiply
    20,270,592,007.20x = 30,405,888,010.80 × 19,944,074,656.80
  4. Step 4: Simplify right side
    20,270,592,007.20x = 606,417,300,493,695,188,992
  5. Step 5: Solve for x
    x = 606,417,300,493,695,188,992/20,270,592,007.20
  6. Step 6: Final answer
    x = 29,916,111,985.20

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1.5x scale

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.