Home / 505,510,832,305.40-697,604,780,202.60-277,135,170,940.78

Finding the Fourth Proportional to 505,510,832,305.40, 697,604,780,202.60 and 277,135,170,940.78

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Solution

The fourth proportional to 505,510,832,305.40, 697,604,780,202.60 and 277,135,170,940.78 is: 382,446,443,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,510,832,305.40 : 697,604,780,202.60 = 277,135,170,940.78 : x
  2. Step 2: Convert to fraction form
    505,510,832,305.40/697,604,780,202.60 = 277,135,170,940.78/x
  3. Step 3: Cross multiply
    505,510,832,305.40x = 697,604,780,202.60 × 277,135,170,940.78
  4. Step 4: Simplify right side
    505,510,832,305.40x = 193,330,820,010,552,812,634,112
  5. Step 5: Solve for x
    x = 193,330,820,010,552,812,634,112/505,510,832,305.40
  6. Step 6: Final answer
    x = 382,446,443,588.28

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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.