Home / 1,347,836,002.76-2,021,971,252.01-415,158,416.90

Finding the Fourth Proportional to 1,347,836,002.76, 2,021,971,252.01 and 415,158,416.90

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Solution

The fourth proportional to 1,347,836,002.76, 2,021,971,252.01 and 415,158,416.90 is: 622,804,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,836,002.76 : 2,021,971,252.01 = 415,158,416.90 : x
  2. Step 2: Convert to fraction form
    1,347,836,002.76/2,021,971,252.01 = 415,158,416.90/x
  3. Step 3: Cross multiply
    1,347,836,002.76x = 2,021,971,252.01 × 415,158,416.90
  4. Step 4: Simplify right side
    1,347,836,002.76x = 839,438,384,002,861,056
  5. Step 5: Solve for x
    x = 839,438,384,002,861,056/1,347,836,002.76
  6. Step 6: Final answer
    x = 622,804,541.71

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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.