Home / 1,294,707,978.80-1,942,061,968.20-1,176,090,347.60

Finding the Fourth Proportional to 1,294,707,978.80, 1,942,061,968.20 and 1,176,090,347.60

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Solution

The fourth proportional to 1,294,707,978.80, 1,942,061,968.20 and 1,176,090,347.60 is: 1,764,135,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,707,978.80 : 1,942,061,968.20 = 1,176,090,347.60 : x
  2. Step 2: Convert to fraction form
    1,294,707,978.80/1,942,061,968.20 = 1,176,090,347.60/x
  3. Step 3: Cross multiply
    1,294,707,978.80x = 1,942,061,968.20 × 1,176,090,347.60
  4. Step 4: Simplify right side
    1,294,707,978.80x = 2,284,040,335,241,078,016
  5. Step 5: Solve for x
    x = 2,284,040,335,241,078,016/1,294,707,978.80
  6. Step 6: Final answer
    x = 1,764,135,521.40

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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.