Home / 3,986,009,015.80-5,978,982,030.90-1,038,282,935.80

Finding the Fourth Proportional to 3,986,009,015.80, 5,978,982,030.90 and 1,038,282,935.80

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Solution

The fourth proportional to 3,986,009,015.80, 5,978,982,030.90 and 1,038,282,935.80 is: 1,557,416,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,009,015.80 : 5,978,982,030.90 = 1,038,282,935.80 : x
  2. Step 2: Convert to fraction form
    3,986,009,015.80/5,978,982,030.90 = 1,038,282,935.80/x
  3. Step 3: Cross multiply
    3,986,009,015.80x = 5,978,982,030.90 × 1,038,282,935.80
  4. Step 4: Simplify right side
    3,986,009,015.80x = 6,207,875,016,138,297,344
  5. Step 5: Solve for x
    x = 6,207,875,016,138,297,344/3,986,009,015.80
  6. Step 6: Final answer
    x = 1,557,416,200.40

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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.