Finding the Fourth Proportional to 7,863,774,597.21, 10,852,008,529.14 and 4,246,797,987.63
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Solution
The fourth proportional to 7,863,774,597.21, 10,852,008,529.14 and 4,246,797,987.63 is: 5,860,580,998.80
Step by Step Solution
- Step 1: Write the proportion equation
7,863,774,597.21 : 10,852,008,529.14 = 4,246,797,987.63 : x - Step 2: Convert to fraction form
7,863,774,597.21/10,852,008,529.14 = 4,246,797,987.63/x - Step 3: Cross multiply
7,863,774,597.21x = 10,852,008,529.14 × 4,246,797,987.63 - Step 4: Simplify right side
7,863,774,597.21x = 46,086,287,983,274,115,072 - Step 5: Solve for x
x = 46,086,287,983,274,115,072/7,863,774,597.21 - Step 6: Final answer
x = 5,860,580,998.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.