Home / 15,439,662,723.99-23,055,523,157.21-12,609,072,222.54

Finding the Fourth Proportional to 15,439,662,723.99, 23,055,523,157.21 and 12,609,072,222.54

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Solution

The fourth proportional to 15,439,662,723.99, 23,055,523,157.21 and 12,609,072,222.54 is: 18,828,698,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,662,723.99 : 23,055,523,157.21 = 12,609,072,222.54 : x
  2. Step 2: Convert to fraction form
    15,439,662,723.99/23,055,523,157.21 = 12,609,072,222.54/x
  3. Step 3: Cross multiply
    15,439,662,723.99x = 23,055,523,157.21 × 12,609,072,222.54
  4. Step 4: Simplify right side
    15,439,662,723.99x = 290,708,756,617,641,328,640
  5. Step 5: Solve for x
    x = 290,708,756,617,641,328,640/15,439,662,723.99
  6. Step 6: Final answer
    x = 18,828,698,645.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.