Finding the Fourth Proportional to 7,496,691,309, 11,242,772,980.84 and 2,254,908,021.48
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Solution
The fourth proportional to 7,496,691,309, 11,242,772,980.84 and 2,254,908,021.48 is: 3,381,681,055.45
Step by Step Solution
- Step 1: Write the proportion equation
7,496,691,309 : 11,242,772,980.84 = 2,254,908,021.48 : x - Step 2: Convert to fraction form
7,496,691,309/11,242,772,980.84 = 2,254,908,021.48/x - Step 3: Cross multiply
7,496,691,309x = 11,242,772,980.84 × 2,254,908,021.48 - Step 4: Simplify right side
7,496,691,309x = 25,351,418,978,174,726,144 - Step 5: Solve for x
x = 25,351,418,978,174,726,144/7,496,691,309 - Step 6: Final answer
x = 3,381,681,055.45
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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.