Finding the Fourth Proportional to 2,854,498,475.20, 4,281,747,712.80 and 2,660,788,230.70
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Solution
The fourth proportional to 2,854,498,475.20, 4,281,747,712.80 and 2,660,788,230.70 is: 3,991,182,346.05
Step by Step Solution
- Step 1: Write the proportion equation
2,854,498,475.20 : 4,281,747,712.80 = 2,660,788,230.70 : x - Step 2: Convert to fraction form
2,854,498,475.20/4,281,747,712.80 = 2,660,788,230.70/x - Step 3: Cross multiply
2,854,498,475.20x = 4,281,747,712.80 × 2,660,788,230.70 - Step 4: Simplify right side
2,854,498,475.20x = 11,392,823,921,044,883,456 - Step 5: Solve for x
x = 11,392,823,921,044,883,456/2,854,498,475.20 - Step 6: Final answer
x = 3,991,182,346.05
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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.