Home / 20,270,592,005.20-30,405,888,007.80-19,944,074,654.80

Finding the Fourth Proportional to 20,270,592,005.20, 30,405,888,007.80 and 19,944,074,654.80

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Solution

The fourth proportional to 20,270,592,005.20, 30,405,888,007.80 and 19,944,074,654.80 is: 29,916,111,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270,592,005.20 : 30,405,888,007.80 = 19,944,074,654.80 : x
  2. Step 2: Convert to fraction form
    20,270,592,005.20/30,405,888,007.80 = 19,944,074,654.80/x
  3. Step 3: Cross multiply
    20,270,592,005.20x = 30,405,888,007.80 × 19,944,074,654.80
  4. Step 4: Simplify right side
    20,270,592,005.20x = 606,417,300,373,051,146,240
  5. Step 5: Solve for x
    x = 606,417,300,373,051,146,240/20,270,592,005.20
  6. Step 6: Final answer
    x = 29,916,111,982.20

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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.