Home / 1,089,057,930.56-1,503,454,740-840,982,379.84

Finding the Fourth Proportional to 1,089,057,930.56, 1,503,454,740 and 840,982,379.84

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Solution

The fourth proportional to 1,089,057,930.56, 1,503,454,740 and 840,982,379.84 is: 1,160,984,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,057,930.56 : 1,503,454,740 = 840,982,379.84 : x
  2. Step 2: Convert to fraction form
    1,089,057,930.56/1,503,454,740 = 840,982,379.84/x
  3. Step 3: Cross multiply
    1,089,057,930.56x = 1,503,454,740 × 840,982,379.84
  4. Step 4: Simplify right side
    1,089,057,930.56x = 1,264,378,945,226,928,384
  5. Step 5: Solve for x
    x = 1,264,378,945,226,928,384/1,089,057,930.56
  6. Step 6: Final answer
    x = 1,160,984,103.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.