Home / 1,384,179,270.84-1,910,179,305.90-789,493,877.64

Finding the Fourth Proportional to 1,384,179,270.84, 1,910,179,305.90 and 789,493,877.64

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Solution

The fourth proportional to 1,384,179,270.84, 1,910,179,305.90 and 789,493,877.64 is: 1,089,508,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,179,270.84 : 1,910,179,305.90 = 789,493,877.64 : x
  2. Step 2: Convert to fraction form
    1,384,179,270.84/1,910,179,305.90 = 789,493,877.64/x
  3. Step 3: Cross multiply
    1,384,179,270.84x = 1,910,179,305.90 × 789,493,877.64
  4. Step 4: Simplify right side
    1,384,179,270.84x = 1,508,074,867,202,674,688
  5. Step 5: Solve for x
    x = 1,508,074,867,202,674,688/1,384,179,270.84
  6. Step 6: Final answer
    x = 1,089,508,345.47

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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.