Home / 2,180,585,874.60-3,270,878,811.90-1,309,872,940.20

Finding the Fourth Proportional to 2,180,585,874.60, 3,270,878,811.90 and 1,309,872,940.20

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Solution

The fourth proportional to 2,180,585,874.60, 3,270,878,811.90 and 1,309,872,940.20 is: 1,964,809,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,585,874.60 : 3,270,878,811.90 = 1,309,872,940.20 : x
  2. Step 2: Convert to fraction form
    2,180,585,874.60/3,270,878,811.90 = 1,309,872,940.20/x
  3. Step 3: Cross multiply
    2,180,585,874.60x = 3,270,878,811.90 × 1,309,872,940.20
  4. Step 4: Simplify right side
    2,180,585,874.60x = 4,284,435,646,381,336,064
  5. Step 5: Solve for x
    x = 4,284,435,646,381,336,064/2,180,585,874.60
  6. Step 6: Final answer
    x = 1,964,809,410.30

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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.