Finding the Fourth Proportional to 2,068,420,437.20, 3,102,630,655.80 and 1,605,854,190.80
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Solution
The fourth proportional to 2,068,420,437.20, 3,102,630,655.80 and 1,605,854,190.80 is: 2,408,781,286.20
Step by Step Solution
- Step 1: Write the proportion equation
2,068,420,437.20 : 3,102,630,655.80 = 1,605,854,190.80 : x - Step 2: Convert to fraction form
2,068,420,437.20/3,102,630,655.80 = 1,605,854,190.80/x - Step 3: Cross multiply
2,068,420,437.20x = 3,102,630,655.80 × 1,605,854,190.80 - Step 4: Simplify right side
2,068,420,437.20x = 4,982,372,441,120,982,016 - Step 5: Solve for x
x = 4,982,372,441,120,982,016/2,068,420,437.20 - Step 6: Final answer
x = 2,408,781,286.20
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1.5x scale
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.