Finding the Fourth Proportional to 7,123,717,356, 10,686,308,241.36 and 2,465,583,715.68
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Solution
The fourth proportional to 7,123,717,356, 10,686,308,241.36 and 2,465,583,715.68 is: 3,698,628,997.18
Step by Step Solution
- Step 1: Write the proportion equation
7,123,717,356 : 10,686,308,241.36 = 2,465,583,715.68 : x - Step 2: Convert to fraction form
7,123,717,356/10,686,308,241.36 = 2,465,583,715.68/x - Step 3: Cross multiply
7,123,717,356x = 10,686,308,241.36 × 2,465,583,715.68 - Step 4: Simplify right side
7,123,717,356x = 26,347,987,580,634,193,920 - Step 5: Solve for x
x = 26,347,987,580,634,193,920/7,123,717,356 - Step 6: Final answer
x = 3,698,628,997.18
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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.