Home / 3,087,074,113.20-4,630,611,169.80-1,781,004,711.60

Finding the Fourth Proportional to 3,087,074,113.20, 4,630,611,169.80 and 1,781,004,711.60

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Solution

The fourth proportional to 3,087,074,113.20, 4,630,611,169.80 and 1,781,004,711.60 is: 2,671,507,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,074,113.20 : 4,630,611,169.80 = 1,781,004,711.60 : x
  2. Step 2: Convert to fraction form
    3,087,074,113.20/4,630,611,169.80 = 1,781,004,711.60/x
  3. Step 3: Cross multiply
    3,087,074,113.20x = 4,630,611,169.80 × 1,781,004,711.60
  4. Step 4: Simplify right side
    3,087,074,113.20x = 8,247,140,311,001,388,032
  5. Step 5: Solve for x
    x = 8,247,140,311,001,388,032/3,087,074,113.20
  6. Step 6: Final answer
    x = 2,671,507,067.40

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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.