Finding the Fourth Proportional to 540,631,021,918.40, 746,071,362,392.50 and 293,433,351,502.95
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Solution
The fourth proportional to 540,631,021,918.40, 746,071,362,392.50 and 293,433,351,502.95 is: 404,938,324,756.82
Step by Step Solution
- Step 1: Write the proportion equation
540,631,021,918.40 : 746,071,362,392.50 = 293,433,351,502.95 : x - Step 2: Convert to fraction form
540,631,021,918.40/746,071,362,392.50 = 293,433,351,502.95/x - Step 3: Cross multiply
540,631,021,918.40x = 746,071,362,392.50 × 293,433,351,502.95 - Step 4: Simplify right side
540,631,021,918.40x = 218,922,220,327,203,241,984,000 - Step 5: Solve for x
x = 218,922,220,327,203,241,984,000/540,631,021,918.40 - Step 6: Final answer
x = 404,938,324,756.82
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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.