Home / 2,018,898,011.80-3,028,347,017.70-1,243,419,304.60

Finding the Fourth Proportional to 2,018,898,011.80, 3,028,347,017.70 and 1,243,419,304.60

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Solution

The fourth proportional to 2,018,898,011.80, 3,028,347,017.70 and 1,243,419,304.60 is: 1,865,128,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,898,011.80 : 3,028,347,017.70 = 1,243,419,304.60 : x
  2. Step 2: Convert to fraction form
    2,018,898,011.80/3,028,347,017.70 = 1,243,419,304.60/x
  3. Step 3: Cross multiply
    2,018,898,011.80x = 3,028,347,017.70 × 1,243,419,304.60
  4. Step 4: Simplify right side
    2,018,898,011.80x = 3,765,505,142,836,017,152
  5. Step 5: Solve for x
    x = 3,765,505,142,836,017,152/2,018,898,011.80
  6. Step 6: Final answer
    x = 1,865,128,956.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.