Home / 1,914,362,230.20-2,871,543,345.30-1,638,863,215.80

Finding the Fourth Proportional to 1,914,362,230.20, 2,871,543,345.30 and 1,638,863,215.80

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Solution

The fourth proportional to 1,914,362,230.20, 2,871,543,345.30 and 1,638,863,215.80 is: 2,458,294,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,362,230.20 : 2,871,543,345.30 = 1,638,863,215.80 : x
  2. Step 2: Convert to fraction form
    1,914,362,230.20/2,871,543,345.30 = 1,638,863,215.80/x
  3. Step 3: Cross multiply
    1,914,362,230.20x = 2,871,543,345.30 × 1,638,863,215.80
  4. Step 4: Simplify right side
    1,914,362,230.20x = 4,706,066,761,187,447,808
  5. Step 5: Solve for x
    x = 4,706,066,761,187,447,808/1,914,362,230.20
  6. Step 6: Final answer
    x = 2,458,294,823.70

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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.