Finding the Fourth Proportional to 8,481,365,991.77, 12,705,498,445.84 and 6,607,236,400.00
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Solution
The fourth proportional to 8,481,365,991.77, 12,705,498,445.84 and 6,607,236,400.00 is: 9,897,961,235.60
Step by Step Solution
- Step 1: Write the proportion equation
8,481,365,991.77 : 12,705,498,445.84 = 6,607,236,400.00 : x - Step 2: Convert to fraction form
8,481,365,991.77/12,705,498,445.84 = 6,607,236,400.00/x - Step 3: Cross multiply
8,481,365,991.77x = 12,705,498,445.84 × 6,607,236,400.00 - Step 4: Simplify right side
8,481,365,991.77x = 83,948,231,811,452,502,016 - Step 5: Solve for x
x = 83,948,231,811,452,502,016/8,481,365,991.77 - Step 6: Final answer
x = 9,897,961,235.60
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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.