Home / 1,914,362,269.70-2,871,543,404.55-1,638,863,255.30

Finding the Fourth Proportional to 1,914,362,269.70, 2,871,543,404.55 and 1,638,863,255.30

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Solution

The fourth proportional to 1,914,362,269.70, 2,871,543,404.55 and 1,638,863,255.30 is: 2,458,294,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,362,269.70 : 2,871,543,404.55 = 1,638,863,255.30 : x
  2. Step 2: Convert to fraction form
    1,914,362,269.70/2,871,543,404.55 = 1,638,863,255.30/x
  3. Step 3: Cross multiply
    1,914,362,269.70x = 2,871,543,404.55 × 1,638,863,255.30
  4. Step 4: Simplify right side
    1,914,362,269.70x = 4,706,066,971,716,058,112
  5. Step 5: Solve for x
    x = 4,706,066,971,716,058,112/1,914,362,269.70
  6. Step 6: Final answer
    x = 2,458,294,882.95

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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.