Home / 1,458,907,851.78-2,013,309,077.22-789,867,476.46

Finding the Fourth Proportional to 1,458,907,851.78, 2,013,309,077.22 and 789,867,476.46

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Solution

The fourth proportional to 1,458,907,851.78, 2,013,309,077.22 and 789,867,476.46 is: 1,090,025,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,907,851.78 : 2,013,309,077.22 = 789,867,476.46 : x
  2. Step 2: Convert to fraction form
    1,458,907,851.78/2,013,309,077.22 = 789,867,476.46/x
  3. Step 3: Cross multiply
    1,458,907,851.78x = 2,013,309,077.22 × 789,867,476.46
  4. Step 4: Simplify right side
    1,458,907,851.78x = 1,590,247,360,157,772,800
  5. Step 5: Solve for x
    x = 1,590,247,360,157,772,800/1,458,907,851.78
  6. Step 6: Final answer
    x = 1,090,025,910.97

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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.