Home / 28,493,874,817,976-39,319,389,289,240-15,991,190,184,011

Finding the Fourth Proportional to 28,493,874,817,976, 39,319,389,289,240 and 15,991,190,184,011

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Solution

The fourth proportional to 28,493,874,817,976, 39,319,389,289,240 and 15,991,190,184,011 is: 22,066,631,374,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,874,817,976 : 39,319,389,289,240 = 15,991,190,184,011 : x
  2. Step 2: Convert to fraction form
    28,493,874,817,976/39,319,389,289,240 = 15,991,190,184,011/x
  3. Step 3: Cross multiply
    28,493,874,817,976x = 39,319,389,289,240 × 15,991,190,184,011
  4. Step 4: Simplify right side
    28,493,874,817,976x = 628,763,832,043,401,926,575,915,008
  5. Step 5: Solve for x
    x = 628,763,832,043,401,926,575,915,008/28,493,874,817,976
  6. Step 6: Final answer
    x = 22,066,631,374,639.58

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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.