Home / 1,328,611,968.30-1,992,917,952.45-984,238,200.30

Finding the Fourth Proportional to 1,328,611,968.30, 1,992,917,952.45 and 984,238,200.30

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Solution

The fourth proportional to 1,328,611,968.30, 1,992,917,952.45 and 984,238,200.30 is: 1,476,357,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,611,968.30 : 1,992,917,952.45 = 984,238,200.30 : x
  2. Step 2: Convert to fraction form
    1,328,611,968.30/1,992,917,952.45 = 984,238,200.30/x
  3. Step 3: Cross multiply
    1,328,611,968.30x = 1,992,917,952.45 × 984,238,200.30
  4. Step 4: Simplify right side
    1,328,611,968.30x = 1,961,505,978,864,948,992
  5. Step 5: Solve for x
    x = 1,961,505,978,864,948,992/1,328,611,968.30
  6. Step 6: Final answer
    x = 1,476,357,300.45

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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.