Home / 28,493,874,817,976-39,319,389,289,238-15,991,190,184,013

Finding the Fourth Proportional to 28,493,874,817,976, 39,319,389,289,238 and 15,991,190,184,013

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Solution

The fourth proportional to 28,493,874,817,976, 39,319,389,289,238 and 15,991,190,184,013 is: 22,066,631,374,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,874,817,976 : 39,319,389,289,238 = 15,991,190,184,013 : x
  2. Step 2: Convert to fraction form
    28,493,874,817,976/39,319,389,289,238 = 15,991,190,184,013/x
  3. Step 3: Cross multiply
    28,493,874,817,976x = 39,319,389,289,238 × 15,991,190,184,013
  4. Step 4: Simplify right side
    28,493,874,817,976x = 628,763,832,043,448,655,820,095,488
  5. Step 5: Solve for x
    x = 628,763,832,043,448,655,820,095,488/28,493,874,817,976
  6. Step 6: Final answer
    x = 22,066,631,374,641.22

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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.