Home / 1,679,618,657.40-2,519,427,986.10-1,328,914,836.60

Finding the Fourth Proportional to 1,679,618,657.40, 2,519,427,986.10 and 1,328,914,836.60

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Solution

The fourth proportional to 1,679,618,657.40, 2,519,427,986.10 and 1,328,914,836.60 is: 1,993,372,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,618,657.40 : 2,519,427,986.10 = 1,328,914,836.60 : x
  2. Step 2: Convert to fraction form
    1,679,618,657.40/2,519,427,986.10 = 1,328,914,836.60/x
  3. Step 3: Cross multiply
    1,679,618,657.40x = 2,519,427,986.10 × 1,328,914,836.60
  4. Step 4: Simplify right side
    1,679,618,657.40x = 3,348,105,230,473,548,288
  5. Step 5: Solve for x
    x = 3,348,105,230,473,548,288/1,679,618,657.40
  6. Step 6: Final answer
    x = 1,993,372,254.90

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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.