Home / 505,510,832,304.40-697,604,780,201.22-277,135,170,939.78

Finding the Fourth Proportional to 505,510,832,304.40, 697,604,780,201.22 and 277,135,170,939.78

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Solution

The fourth proportional to 505,510,832,304.40, 697,604,780,201.22 and 277,135,170,939.78 is: 382,446,443,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,510,832,304.40 : 697,604,780,201.22 = 277,135,170,939.78 : x
  2. Step 2: Convert to fraction form
    505,510,832,304.40/697,604,780,201.22 = 277,135,170,939.78/x
  3. Step 3: Cross multiply
    505,510,832,304.40x = 697,604,780,201.22 × 277,135,170,939.78
  4. Step 4: Simplify right side
    505,510,832,304.40x = 193,330,820,009,472,762,576,896
  5. Step 5: Solve for x
    x = 193,330,820,009,472,762,576,896/505,510,832,304.40
  6. Step 6: Final answer
    x = 382,446,443,586.90

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1.5x scale

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.