Home / 2,859,355,013.28-4,286,576,113.71-993,758,348.49

Finding the Fourth Proportional to 2,859,355,013.28, 4,286,576,113.71 and 993,758,348.49

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Solution

The fourth proportional to 2,859,355,013.28, 4,286,576,113.71 and 993,758,348.49 is: 1,489,783,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,355,013.28 : 4,286,576,113.71 = 993,758,348.49 : x
  2. Step 2: Convert to fraction form
    2,859,355,013.28/4,286,576,113.71 = 993,758,348.49/x
  3. Step 3: Cross multiply
    2,859,355,013.28x = 4,286,576,113.71 × 993,758,348.49
  4. Step 4: Simplify right side
    2,859,355,013.28x = 4,259,820,799,422,846,464
  5. Step 5: Solve for x
    x = 4,259,820,799,422,846,464/2,859,355,013.28
  6. Step 6: Final answer
    x = 1,489,783,807.76

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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.