Home / 1,679,630,853.60-2,519,446,280.40-1,618,408,850.40

Finding the Fourth Proportional to 1,679,630,853.60, 2,519,446,280.40 and 1,618,408,850.40

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Solution

The fourth proportional to 1,679,630,853.60, 2,519,446,280.40 and 1,618,408,850.40 is: 2,427,613,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,630,853.60 : 2,519,446,280.40 = 1,618,408,850.40 : x
  2. Step 2: Convert to fraction form
    1,679,630,853.60/2,519,446,280.40 = 1,618,408,850.40/x
  3. Step 3: Cross multiply
    1,679,630,853.60x = 2,519,446,280.40 × 1,618,408,850.40
  4. Step 4: Simplify right side
    1,679,630,853.60x = 4,077,494,158,306,720,256
  5. Step 5: Solve for x
    x = 4,077,494,158,306,720,256/1,679,630,853.60
  6. Step 6: Final answer
    x = 2,427,613,275.60

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Double scale
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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.