Finding the Fourth Proportional to 12,235,550,655,748, 18,344,277,992,482 and 7,399,477,157,419.40
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Solution
The fourth proportional to 12,235,550,655,748, 18,344,277,992,482 and 7,399,477,157,419.40 is: 11,093,743,942,856.80
Step by Step Solution
- Step 1: Write the proportion equation
12,235,550,655,748 : 18,344,277,992,482 = 7,399,477,157,419.40 : x - Step 2: Convert to fraction form
12,235,550,655,748/18,344,277,992,482 = 7,399,477,157,419.40/x - Step 3: Cross multiply
12,235,550,655,748x = 18,344,277,992,482 × 7,399,477,157,419.40 - Step 4: Simplify right side
12,235,550,655,748x = 135,738,065,974,721,966,354,989,056 - Step 5: Solve for x
x = 135,738,065,974,721,966,354,989,056/12,235,550,655,748 - Step 6: Final answer
x = 11,093,743,942,856.80
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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.