Home / 1,370,849,163.89-2,056,568,737.23-425,428,578.81

Finding the Fourth Proportional to 1,370,849,163.89, 2,056,568,737.23 and 425,428,578.81

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Solution

The fourth proportional to 1,370,849,163.89, 2,056,568,737.23 and 425,428,578.81 is: 638,234,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,849,163.89 : 2,056,568,737.23 = 425,428,578.81 : x
  2. Step 2: Convert to fraction form
    1,370,849,163.89/2,056,568,737.23 = 425,428,578.81/x
  3. Step 3: Cross multiply
    1,370,849,163.89x = 2,056,568,737.23 × 425,428,578.81
  4. Step 4: Simplify right side
    1,370,849,163.89x = 874,923,115,104,835,200
  5. Step 5: Solve for x
    x = 874,923,115,104,835,200/1,370,849,163.89
  6. Step 6: Final answer
    x = 638,234,415.69

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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.