Home / 40,290,190,122.60-60,435,285,183.90-31,873,298,423.40

Finding the Fourth Proportional to 40,290,190,122.60, 60,435,285,183.90 and 31,873,298,423.40

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Solution

The fourth proportional to 40,290,190,122.60, 60,435,285,183.90 and 31,873,298,423.40 is: 47,809,947,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290,190,122.60 : 60,435,285,183.90 = 31,873,298,423.40 : x
  2. Step 2: Convert to fraction form
    40,290,190,122.60/60,435,285,183.90 = 31,873,298,423.40/x
  3. Step 3: Cross multiply
    40,290,190,122.60x = 60,435,285,183.90 × 31,873,298,423.40
  4. Step 4: Simplify right side
    40,290,190,122.60x = 1,926,271,879,969,729,413,120
  5. Step 5: Solve for x
    x = 1,926,271,879,969,729,413,120/40,290,190,122.60
  6. Step 6: Final answer
    x = 47,809,947,635.10

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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.