Home / 5,220,879,942.90-7,204,815,098.44-2,842,035,939.32

Finding the Fourth Proportional to 5,220,879,942.90, 7,204,815,098.44 and 2,842,035,939.32

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Solution

The fourth proportional to 5,220,879,942.90, 7,204,815,098.44 and 2,842,035,939.32 is: 3,922,010,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,879,942.90 : 7,204,815,098.44 = 2,842,035,939.32 : x
  2. Step 2: Convert to fraction form
    5,220,879,942.90/7,204,815,098.44 = 2,842,035,939.32/x
  3. Step 3: Cross multiply
    5,220,879,942.90x = 7,204,815,098.44 × 2,842,035,939.32
  4. Step 4: Simplify right side
    5,220,879,942.90x = 20,476,343,445,878,714,368
  5. Step 5: Solve for x
    x = 20,476,343,445,878,714,368/5,220,879,942.90
  6. Step 6: Final answer
    x = 3,922,010,019.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.