Finding the Fourth Proportional to 4,720,842,422.44, 6,517,702,658.18 and 3,005,159,630.50
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Solution
The fourth proportional to 4,720,842,422.44, 6,517,702,658.18 and 3,005,159,630.50 is: 4,148,991,887.31
Step by Step Solution
- Step 1: Write the proportion equation
4,720,842,422.44 : 6,517,702,658.18 = 3,005,159,630.50 : x - Step 2: Convert to fraction form
4,720,842,422.44/6,517,702,658.18 = 3,005,159,630.50/x - Step 3: Cross multiply
4,720,842,422.44x = 6,517,702,658.18 × 3,005,159,630.50 - Step 4: Simplify right side
4,720,842,422.44x = 19,586,736,911,965,077,504 - Step 5: Solve for x
x = 19,586,736,911,965,077,504/4,720,842,422.44 - Step 6: Final answer
x = 4,148,991,887.31
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1.5x scale
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.