Finding the Fourth Proportional to 990,078,608,734.70, 1,485,117,913,102 and 990,078,608,734.70
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Solution
The fourth proportional to 990,078,608,734.70, 1,485,117,913,102 and 990,078,608,734.70 is: 1,485,117,913,102
Step by Step Solution
- Step 1: Write the proportion equation
990,078,608,734.70 : 1,485,117,913,102 = 990,078,608,734.70 : x - Step 2: Convert to fraction form
990,078,608,734.70/1,485,117,913,102 = 990,078,608,734.70/x - Step 3: Cross multiply
990,078,608,734.70x = 1,485,117,913,102 × 990,078,608,734.70 - Step 4: Simplify right side
990,078,608,734.70x = 1,470,383,477,211,009,071,972,352 - Step 5: Solve for x
x = 1,470,383,477,211,009,071,972,352/990,078,608,734.70 - Step 6: Final answer
x = 1,485,117,913,102
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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.