Home / 2,071,872,078.80-3,107,808,118.20-2,059,778,843.60

Finding the Fourth Proportional to 2,071,872,078.80, 3,107,808,118.20 and 2,059,778,843.60

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Solution

The fourth proportional to 2,071,872,078.80, 3,107,808,118.20 and 2,059,778,843.60 is: 3,089,668,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,872,078.80 : 3,107,808,118.20 = 2,059,778,843.60 : x
  2. Step 2: Convert to fraction form
    2,071,872,078.80/3,107,808,118.20 = 2,059,778,843.60/x
  3. Step 3: Cross multiply
    2,071,872,078.80x = 3,107,808,118.20 × 2,059,778,843.60
  4. Step 4: Simplify right side
    2,071,872,078.80x = 6,401,397,411,836,687,360
  5. Step 5: Solve for x
    x = 6,401,397,411,836,687,360/2,071,872,078.80
  6. Step 6: Final answer
    x = 3,089,668,265.40

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Double scale
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Similar ratio
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1.5x scale

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.