Home / 1,638,753,465.90-2,458,130,198.85-1,611,543,686.70

Finding the Fourth Proportional to 1,638,753,465.90, 2,458,130,198.85 and 1,611,543,686.70

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Solution

The fourth proportional to 1,638,753,465.90, 2,458,130,198.85 and 1,611,543,686.70 is: 2,417,315,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,753,465.90 : 2,458,130,198.85 = 1,611,543,686.70 : x
  2. Step 2: Convert to fraction form
    1,638,753,465.90/2,458,130,198.85 = 1,611,543,686.70/x
  3. Step 3: Cross multiply
    1,638,753,465.90x = 2,458,130,198.85 × 1,611,543,686.70
  4. Step 4: Simplify right side
    1,638,753,465.90x = 3,961,384,203,043,333,120
  5. Step 5: Solve for x
    x = 3,961,384,203,043,333,120/1,638,753,465.90
  6. Step 6: Final answer
    x = 2,417,315,530.05

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Double scale
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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.