Finding the Fourth Proportional to 7,688,220,546.54, 11,526,124,762.40 and 7,067,647,881.77
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Solution
The fourth proportional to 7,688,220,546.54, 11,526,124,762.40 and 7,067,647,881.77 is: 10,595,766,701.65
Step by Step Solution
- Step 1: Write the proportion equation
7,688,220,546.54 : 11,526,124,762.40 = 7,067,647,881.77 : x - Step 2: Convert to fraction form
7,688,220,546.54/11,526,124,762.40 = 7,067,647,881.77/x - Step 3: Cross multiply
7,688,220,546.54x = 11,526,124,762.40 × 7,067,647,881.77 - Step 4: Simplify right side
7,688,220,546.54x = 81,462,591,261,985,898,496 - Step 5: Solve for x
x = 81,462,591,261,985,898,496/7,688,220,546.54 - Step 6: Final answer
x = 10,595,766,701.65
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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.