Home / 3,428,786,477.45-5,143,690,785.27-1,217,810,440.19

Finding the Fourth Proportional to 3,428,786,477.45, 5,143,690,785.27 and 1,217,810,440.19

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Solution

The fourth proportional to 3,428,786,477.45, 5,143,690,785.27 and 1,217,810,440.19 is: 1,826,897,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,786,477.45 : 5,143,690,785.27 = 1,217,810,440.19 : x
  2. Step 2: Convert to fraction form
    3,428,786,477.45/5,143,690,785.27 = 1,217,810,440.19/x
  3. Step 3: Cross multiply
    3,428,786,477.45x = 5,143,690,785.27 × 1,217,810,440.19
  4. Step 4: Simplify right side
    3,428,786,477.45x = 6,264,040,339,428,392,960
  5. Step 5: Solve for x
    x = 6,264,040,339,428,392,960/3,428,786,477.45
  6. Step 6: Final answer
    x = 1,826,897,177.94

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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.