Finding the Fourth Proportional to 9,918,391,747.84, 13,687,379,383.84 and 5,463,056,124.96
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Solution
The fourth proportional to 9,918,391,747.84, 13,687,379,383.84 and 5,463,056,124.96 is: 7,539,016,775.96
Step by Step Solution
- Step 1: Write the proportion equation
9,918,391,747.84 : 13,687,379,383.84 = 5,463,056,124.96 : x - Step 2: Convert to fraction form
9,918,391,747.84/13,687,379,383.84 = 5,463,056,124.96/x - Step 3: Cross multiply
9,918,391,747.84x = 13,687,379,383.84 × 5,463,056,124.96 - Step 4: Simplify right side
9,918,391,747.84x = 74,774,921,777,538,351,104 - Step 5: Solve for x
x = 74,774,921,777,538,351,104/9,918,391,747.84 - Step 6: Final answer
x = 7,539,016,775.96
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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.