Home / 5,397,879,987.20-8,096,819,980.80-3,219,306,060.80

Finding the Fourth Proportional to 5,397,879,987.20, 8,096,819,980.80 and 3,219,306,060.80

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Solution

The fourth proportional to 5,397,879,987.20, 8,096,819,980.80 and 3,219,306,060.80 is: 4,828,959,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,879,987.20 : 8,096,819,980.80 = 3,219,306,060.80 : x
  2. Step 2: Convert to fraction form
    5,397,879,987.20/8,096,819,980.80 = 3,219,306,060.80/x
  3. Step 3: Cross multiply
    5,397,879,987.20x = 8,096,819,980.80 × 3,219,306,060.80
  4. Step 4: Simplify right side
    5,397,879,987.20x = 26,066,141,637,395,980,288
  5. Step 5: Solve for x
    x = 26,066,141,637,395,980,288/5,397,879,987.20
  6. Step 6: Final answer
    x = 4,828,959,091.20

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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.