Finding the Fourth Proportional to 4,720,842,423.44, 6,517,702,659.56 and 3,005,159,631.50
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Solution
The fourth proportional to 4,720,842,423.44, 6,517,702,659.56 and 3,005,159,631.50 is: 4,148,991,888.69
Step by Step Solution
- Step 1: Write the proportion equation
4,720,842,423.44 : 6,517,702,659.56 = 3,005,159,631.50 : x - Step 2: Convert to fraction form
4,720,842,423.44/6,517,702,659.56 = 3,005,159,631.50/x - Step 3: Cross multiply
4,720,842,423.44x = 6,517,702,659.56 × 3,005,159,631.50 - Step 4: Simplify right side
4,720,842,423.44x = 19,586,736,922,629,902,336 - Step 5: Solve for x
x = 19,586,736,922,629,902,336/4,720,842,423.44 - Step 6: Final answer
x = 4,148,991,888.69
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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.