Home / 20,417,212,811.60-30,625,819,217.40-19,177,467,246.80

Finding the Fourth Proportional to 20,417,212,811.60, 30,625,819,217.40 and 19,177,467,246.80

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Solution

The fourth proportional to 20,417,212,811.60, 30,625,819,217.40 and 19,177,467,246.80 is: 28,766,200,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,212,811.60 : 30,625,819,217.40 = 19,177,467,246.80 : x
  2. Step 2: Convert to fraction form
    20,417,212,811.60/30,625,819,217.40 = 19,177,467,246.80/x
  3. Step 3: Cross multiply
    20,417,212,811.60x = 30,625,819,217.40 × 19,177,467,246.80
  4. Step 4: Simplify right side
    20,417,212,811.60x = 587,325,644,948,106,510,336
  5. Step 5: Solve for x
    x = 587,325,644,948,106,510,336/20,417,212,811.60
  6. Step 6: Final answer
    x = 28,766,200,870.20

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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.