Home / 2,892,042,235.75-3,990,739,411.34-1,621,934,782.15

Finding the Fourth Proportional to 2,892,042,235.75, 3,990,739,411.34 and 1,621,934,782.15

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Solution

The fourth proportional to 2,892,042,235.75, 3,990,739,411.34 and 1,621,934,782.15 is: 2,238,113,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,042,235.75 : 3,990,739,411.34 = 1,621,934,782.15 : x
  2. Step 2: Convert to fraction form
    2,892,042,235.75/3,990,739,411.34 = 1,621,934,782.15/x
  3. Step 3: Cross multiply
    2,892,042,235.75x = 3,990,739,411.34 × 1,621,934,782.15
  4. Step 4: Simplify right side
    2,892,042,235.75x = 6,472,719,057,741,052,928
  5. Step 5: Solve for x
    x = 6,472,719,057,741,052,928/2,892,042,235.75
  6. Step 6: Final answer
    x = 2,238,113,599.35

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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.