Home / 1,985,697,512.18-2,976,477,191.79-1,111,016,484.98

Finding the Fourth Proportional to 1,985,697,512.18, 2,976,477,191.79 and 1,111,016,484.98

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Solution

The fourth proportional to 1,985,697,512.18, 2,976,477,191.79 and 1,111,016,484.98 is: 1,665,367,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,697,512.18 : 2,976,477,191.79 = 1,111,016,484.98 : x
  2. Step 2: Convert to fraction form
    1,985,697,512.18/2,976,477,191.79 = 1,111,016,484.98/x
  3. Step 3: Cross multiply
    1,985,697,512.18x = 2,976,477,191.79 × 1,111,016,484.98
  4. Step 4: Simplify right side
    1,985,697,512.18x = 3,306,915,227,245,667,328
  5. Step 5: Solve for x
    x = 3,306,915,227,245,667,328/1,985,697,512.18
  6. Step 6: Final answer
    x = 1,665,367,059.67

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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.