Home / 727,641,905.40-1,091,462,858.10-210,089,230.20

Finding the Fourth Proportional to 727,641,905.40, 1,091,462,858.10 and 210,089,230.20

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Solution

The fourth proportional to 727,641,905.40, 1,091,462,858.10 and 210,089,230.20 is: 315,133,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,641,905.40 : 1,091,462,858.10 = 210,089,230.20 : x
  2. Step 2: Convert to fraction form
    727,641,905.40/1,091,462,858.10 = 210,089,230.20/x
  3. Step 3: Cross multiply
    727,641,905.40x = 1,091,462,858.10 × 210,089,230.20
  4. Step 4: Simplify right side
    727,641,905.40x = 229,304,591,650,120,800
  5. Step 5: Solve for x
    x = 229,304,591,650,120,800/727,641,905.40
  6. Step 6: Final answer
    x = 315,133,845.30

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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.