Home / 28,493,874,817,814-39,319,389,289,024-15,991,190,183,853

Finding the Fourth Proportional to 28,493,874,817,814, 39,319,389,289,024 and 15,991,190,183,853

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Solution

The fourth proportional to 28,493,874,817,814, 39,319,389,289,024 and 15,991,190,183,853 is: 22,066,631,374,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,874,817,814 : 39,319,389,289,024 = 15,991,190,183,853 : x
  2. Step 2: Convert to fraction form
    28,493,874,817,814/39,319,389,289,024 = 15,991,190,183,853/x
  3. Step 3: Cross multiply
    28,493,874,817,814x = 39,319,389,289,024 × 15,991,190,183,853
  4. Step 4: Simplify right side
    28,493,874,817,814x = 628,763,832,033,735,432,661,368,832
  5. Step 5: Solve for x
    x = 628,763,832,033,735,432,661,368,832/28,493,874,817,814
  6. Step 6: Final answer
    x = 22,066,631,374,425.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.