Home / 919,215,783,193.55-1,378,823,674,790.40-919,215,783,193.55

Finding the Fourth Proportional to 919,215,783,193.55, 1,378,823,674,790.40 and 919,215,783,193.55

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Solution

The fourth proportional to 919,215,783,193.55, 1,378,823,674,790.40 and 919,215,783,193.55 is: 1,378,823,674,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,215,783,193.55 : 1,378,823,674,790.40 = 919,215,783,193.55 : x
  2. Step 2: Convert to fraction form
    919,215,783,193.55/1,378,823,674,790.40 = 919,215,783,193.55/x
  3. Step 3: Cross multiply
    919,215,783,193.55x = 1,378,823,674,790.40 × 919,215,783,193.55
  4. Step 4: Simplify right side
    919,215,783,193.55x = 1,267,436,484,108,266,202,202,112
  5. Step 5: Solve for x
    x = 1,267,436,484,108,266,202,202,112/919,215,783,193.55
  6. Step 6: Final answer
    x = 1,378,823,674,790.40

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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.