Finding the Fourth Proportional to 7,793,404,378.80, 11,690,106,342.20 and 3,595,115,055.48
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Solution
The fourth proportional to 7,793,404,378.80, 11,690,106,342.20 and 3,595,115,055.48 is: 5,392,672,478.97
Step by Step Solution
- Step 1: Write the proportion equation
7,793,404,378.80 : 11,690,106,342.20 = 3,595,115,055.48 : x - Step 2: Convert to fraction form
7,793,404,378.80/11,690,106,342.20 = 3,595,115,055.48/x - Step 3: Cross multiply
7,793,404,378.80x = 11,690,106,342.20 × 3,595,115,055.48 - Step 4: Simplify right side
7,793,404,378.80x = 42,027,277,311,005,458,432 - Step 5: Solve for x
x = 42,027,277,311,005,458,432/7,793,404,378.80 - Step 6: Final answer
x = 5,392,672,478.97
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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.