Home / 1,388,016,002.40-2,082,024,003.60-1,326,793,999.20

Finding the Fourth Proportional to 1,388,016,002.40, 2,082,024,003.60 and 1,326,793,999.20

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Solution

The fourth proportional to 1,388,016,002.40, 2,082,024,003.60 and 1,326,793,999.20 is: 1,990,190,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,016,002.40 : 2,082,024,003.60 = 1,326,793,999.20 : x
  2. Step 2: Convert to fraction form
    1,388,016,002.40/2,082,024,003.60 = 1,326,793,999.20/x
  3. Step 3: Cross multiply
    1,388,016,002.40x = 2,082,024,003.60 × 1,326,793,999.20
  4. Step 4: Simplify right side
    1,388,016,002.40x = 2,762,416,954,166,839,296
  5. Step 5: Solve for x
    x = 2,762,416,954,166,839,296/1,388,016,002.40
  6. Step 6: Final answer
    x = 1,990,190,998.80

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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.