Home / 2,892,042,235.50-3,990,739,410.99-1,621,934,781.90

Finding the Fourth Proportional to 2,892,042,235.50, 3,990,739,410.99 and 1,621,934,781.90

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Solution

The fourth proportional to 2,892,042,235.50, 3,990,739,410.99 and 1,621,934,781.90 is: 2,238,113,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,042,235.50 : 3,990,739,410.99 = 1,621,934,781.90 : x
  2. Step 2: Convert to fraction form
    2,892,042,235.50/3,990,739,410.99 = 1,621,934,781.90/x
  3. Step 3: Cross multiply
    2,892,042,235.50x = 3,990,739,410.99 × 1,621,934,781.90
  4. Step 4: Simplify right side
    2,892,042,235.50x = 6,472,719,056,183,799,808
  5. Step 5: Solve for x
    x = 6,472,719,056,183,799,808/2,892,042,235.50
  6. Step 6: Final answer
    x = 2,238,113,599.01

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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.