Home / 1,821,744,007.20-2,732,616,010.80-903,413,959.20

Finding the Fourth Proportional to 1,821,744,007.20, 2,732,616,010.80 and 903,413,959.20

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Solution

The fourth proportional to 1,821,744,007.20, 2,732,616,010.80 and 903,413,959.20 is: 1,355,120,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,744,007.20 : 2,732,616,010.80 = 903,413,959.20 : x
  2. Step 2: Convert to fraction form
    1,821,744,007.20/2,732,616,010.80 = 903,413,959.20/x
  3. Step 3: Cross multiply
    1,821,744,007.20x = 2,732,616,010.80 × 903,413,959.20
  4. Step 4: Simplify right side
    1,821,744,007.20x = 2,468,683,449,290,138,112
  5. Step 5: Solve for x
    x = 2,468,683,449,290,138,112/1,821,744,007.20
  6. Step 6: Final answer
    x = 1,355,120,938.80

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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.