Home / 1,611,883,327.80-2,413,793,913.30-1,289,397,055.80

Finding the Fourth Proportional to 1,611,883,327.80, 2,413,793,913.30 and 1,289,397,055.80

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Solution

The fourth proportional to 1,611,883,327.80, 2,413,793,913.30 and 1,289,397,055.80 is: 1,930,870,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,883,327.80 : 2,413,793,913.30 = 1,289,397,055.80 : x
  2. Step 2: Convert to fraction form
    1,611,883,327.80/2,413,793,913.30 = 1,289,397,055.80/x
  3. Step 3: Cross multiply
    1,611,883,327.80x = 2,413,793,913.30 × 1,289,397,055.80
  4. Step 4: Simplify right side
    1,611,883,327.80x = 3,112,338,765,116,980,736
  5. Step 5: Solve for x
    x = 3,112,338,765,116,980,736/1,611,883,327.80
  6. Step 6: Final answer
    x = 1,930,870,995.09

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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.