Home / 1,309,414,274.76-1,964,988,899.68-719,616,402.76

Finding the Fourth Proportional to 1,309,414,274.76, 1,964,988,899.68 and 719,616,402.76

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Solution

The fourth proportional to 1,309,414,274.76, 1,964,988,899.68 and 719,616,402.76 is: 1,079,901,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,414,274.76 : 1,964,988,899.68 = 719,616,402.76 : x
  2. Step 2: Convert to fraction form
    1,309,414,274.76/1,964,988,899.68 = 719,616,402.76/x
  3. Step 3: Cross multiply
    1,309,414,274.76x = 1,964,988,899.68 × 719,616,402.76
  4. Step 4: Simplify right side
    1,309,414,274.76x = 1,414,038,243,451,052,032
  5. Step 5: Solve for x
    x = 1,414,038,243,451,052,032/1,309,414,274.76
  6. Step 6: Final answer
    x = 1,079,901,350.33

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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.