Finding the Fourth Proportional to 7,851,330,291.60, 11,776,995,437.40 and 7,541,393,900.40
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Solution
The fourth proportional to 7,851,330,291.60, 11,776,995,437.40 and 7,541,393,900.40 is: 11,312,090,850.60
Step by Step Solution
- Step 1: Write the proportion equation
7,851,330,291.60 : 11,776,995,437.40 = 7,541,393,900.40 : x - Step 2: Convert to fraction form
7,851,330,291.60/11,776,995,437.40 = 7,541,393,900.40/x - Step 3: Cross multiply
7,851,330,291.60x = 11,776,995,437.40 × 7,541,393,900.40 - Step 4: Simplify right side
7,851,330,291.60x = 88,814,961,556,646,985,728 - Step 5: Solve for x
x = 88,814,961,556,646,985,728/7,851,330,291.60 - Step 6: Final answer
x = 11,312,090,850.60
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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.