Home / 12,192,768,145.20-18,289,152,217.80-4,436,973,303.60

Finding the Fourth Proportional to 12,192,768,145.20, 18,289,152,217.80 and 4,436,973,303.60

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Solution

The fourth proportional to 12,192,768,145.20, 18,289,152,217.80 and 4,436,973,303.60 is: 6,655,459,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,768,145.20 : 18,289,152,217.80 = 4,436,973,303.60 : x
  2. Step 2: Convert to fraction form
    12,192,768,145.20/18,289,152,217.80 = 4,436,973,303.60/x
  3. Step 3: Cross multiply
    12,192,768,145.20x = 18,289,152,217.80 × 4,436,973,303.60
  4. Step 4: Simplify right side
    12,192,768,145.20x = 81,148,480,135,855,341,568
  5. Step 5: Solve for x
    x = 81,148,480,135,855,341,568/12,192,768,145.20
  6. Step 6: Final answer
    x = 6,655,459,955.40

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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.