Finding the Fourth Proportional to 4,179,972,925.79, 6,270,548,376.41 and 1,342,815,842.19
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Solution
The fourth proportional to 4,179,972,925.79, 6,270,548,376.41 and 1,342,815,842.19 is: 2,014,412,975.52
Step by Step Solution
- Step 1: Write the proportion equation
4,179,972,925.79 : 6,270,548,376.41 = 1,342,815,842.19 : x - Step 2: Convert to fraction form
4,179,972,925.79/6,270,548,376.41 = 1,342,815,842.19/x - Step 3: Cross multiply
4,179,972,925.79x = 6,270,548,376.41 × 1,342,815,842.19 - Step 4: Simplify right side
4,179,972,925.79x = 8,420,191,699,043,635,200 - Step 5: Solve for x
x = 8,420,191,699,043,635,200/4,179,972,925.79 - Step 6: Final answer
x = 2,014,412,975.52
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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.