Home / 28,072,129,172.56-42,099,303,603.84-9,181,052,020.24

Finding the Fourth Proportional to 28,072,129,172.56, 42,099,303,603.84 and 9,181,052,020.24

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Solution

The fourth proportional to 28,072,129,172.56, 42,099,303,603.84 and 9,181,052,020.24 is: 13,768,670,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,129,172.56 : 42,099,303,603.84 = 9,181,052,020.24 : x
  2. Step 2: Convert to fraction form
    28,072,129,172.56/42,099,303,603.84 = 9,181,052,020.24/x
  3. Step 3: Cross multiply
    28,072,129,172.56x = 42,099,303,603.84 × 9,181,052,020.24
  4. Step 4: Simplify right side
    28,072,129,172.56x = 386,515,896,402,732,318,720
  5. Step 5: Solve for x
    x = 386,515,896,402,732,318,720/28,072,129,172.56
  6. Step 6: Final answer
    x = 13,768,670,485.48

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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.