Finding the Fourth Proportional to 7,631,851,178.49, 11,447,780,761.44 and 2,391,867,497.94
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Solution
The fourth proportional to 7,631,851,178.49, 11,447,780,761.44 and 2,391,867,497.94 is: 3,587,802,498.56
Step by Step Solution
- Step 1: Write the proportion equation
7,631,851,178.49 : 11,447,780,761.44 = 2,391,867,497.94 : x - Step 2: Convert to fraction form
7,631,851,178.49/11,447,780,761.44 = 2,391,867,497.94/x - Step 3: Cross multiply
7,631,851,178.49x = 11,447,780,761.44 × 2,391,867,497.94 - Step 4: Simplify right side
7,631,851,178.49x = 27,381,574,726,831,161,344 - Step 5: Solve for x
x = 27,381,574,726,831,161,344/7,631,851,178.49 - Step 6: Final answer
x = 3,587,802,498.56
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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.