Home / 1,611,883,320.80-2,413,793,902.80-1,289,397,048.80

Finding the Fourth Proportional to 1,611,883,320.80, 2,413,793,902.80 and 1,289,397,048.80

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Solution

The fourth proportional to 1,611,883,320.80, 2,413,793,902.80 and 1,289,397,048.80 is: 1,930,870,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,883,320.80 : 2,413,793,902.80 = 1,289,397,048.80 : x
  2. Step 2: Convert to fraction form
    1,611,883,320.80/2,413,793,902.80 = 1,289,397,048.80/x
  3. Step 3: Cross multiply
    1,611,883,320.80x = 2,413,793,902.80 × 1,289,397,048.80
  4. Step 4: Simplify right side
    1,611,883,320.80x = 3,112,338,734,681,754,112
  5. Step 5: Solve for x
    x = 3,112,338,734,681,754,112/1,611,883,320.80
  6. Step 6: Final answer
    x = 1,930,870,984.59

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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.