Home / 1,783,865,892.80-2,670,508,048.80-1,325,834,609.60

Finding the Fourth Proportional to 1,783,865,892.80, 2,670,508,048.80 and 1,325,834,609.60

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Solution

The fourth proportional to 1,783,865,892.80, 2,670,508,048.80 and 1,325,834,609.60 is: 1,984,819,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,865,892.80 : 2,670,508,048.80 = 1,325,834,609.60 : x
  2. Step 2: Convert to fraction form
    1,783,865,892.80/2,670,508,048.80 = 1,325,834,609.60/x
  3. Step 3: Cross multiply
    1,783,865,892.80x = 2,670,508,048.80 × 1,325,834,609.60
  4. Step 4: Simplify right side
    1,783,865,892.80x = 3,540,651,996,314,405,888
  5. Step 5: Solve for x
    x = 3,540,651,996,314,405,888/1,783,865,892.80
  6. Step 6: Final answer
    x = 1,984,819,604.77

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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.