Finding the Fourth Proportional to 4,720,842,405.76, 6,517,702,635.18 and 3,005,159,613.82
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Solution
The fourth proportional to 4,720,842,405.76, 6,517,702,635.18 and 3,005,159,613.82 is: 4,148,991,864.30
Step by Step Solution
- Step 1: Write the proportion equation
4,720,842,405.76 : 6,517,702,635.18 = 3,005,159,613.82 : x - Step 2: Convert to fraction form
4,720,842,405.76/6,517,702,635.18 = 3,005,159,613.82/x - Step 3: Cross multiply
4,720,842,405.76x = 6,517,702,635.18 × 3,005,159,613.82 - Step 4: Simplify right side
4,720,842,405.76x = 19,586,736,734,156,791,808 - Step 5: Solve for x
x = 19,586,736,734,156,791,808/4,720,842,405.76 - Step 6: Final answer
x = 4,148,991,864.30
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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.