Home / 20,386,508,267.80-30,579,762,401.70-6,416,412,412.60

Finding the Fourth Proportional to 20,386,508,267.80, 30,579,762,401.70 and 6,416,412,412.60

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Solution

The fourth proportional to 20,386,508,267.80, 30,579,762,401.70 and 6,416,412,412.60 is: 9,624,618,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,508,267.80 : 30,579,762,401.70 = 6,416,412,412.60 : x
  2. Step 2: Convert to fraction form
    20,386,508,267.80/30,579,762,401.70 = 6,416,412,412.60/x
  3. Step 3: Cross multiply
    20,386,508,267.80x = 30,579,762,401.70 × 6,416,412,412.60
  4. Step 4: Simplify right side
    20,386,508,267.80x = 196,212,367,048,626,667,520
  5. Step 5: Solve for x
    x = 196,212,367,048,626,667,520/20,386,508,267.80
  6. Step 6: Final answer
    x = 9,624,618,618.90

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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.