Home / 2,979,988,089,886.80-4,113,148,713,353.20-1,940,888,269,787.60

Finding the Fourth Proportional to 2,979,988,089,886.80, 4,113,148,713,353.20 and 1,940,888,269,787.60

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Solution

The fourth proportional to 2,979,988,089,886.80, 4,113,148,713,353.20 and 1,940,888,269,787.60 is: 2,678,924,159,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,988,089,886.80 : 4,113,148,713,353.20 = 1,940,888,269,787.60 : x
  2. Step 2: Convert to fraction form
    2,979,988,089,886.80/4,113,148,713,353.20 = 1,940,888,269,787.60/x
  3. Step 3: Cross multiply
    2,979,988,089,886.80x = 4,113,148,713,353.20 × 1,940,888,269,787.60
  4. Step 4: Simplify right side
    2,979,988,089,886.80x = 7,983,162,089,639,185,796,300,800
  5. Step 5: Solve for x
    x = 7,983,162,089,639,185,796,300,800/2,979,988,089,886.80
  6. Step 6: Final answer
    x = 2,678,924,159,707.78

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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.