Finding the Fourth Proportional to 582,374,728.21, 803,696,957.12 and 344,423,888.81
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Solution
The fourth proportional to 582,374,728.21, 803,696,957.12 and 344,423,888.81 is: 475,316,695.57
Step by Step Solution
- Step 1: Write the proportion equation
582,374,728.21 : 803,696,957.12 = 344,423,888.81 : x - Step 2: Convert to fraction form
582,374,728.21/803,696,957.12 = 344,423,888.81/x - Step 3: Cross multiply
582,374,728.21x = 803,696,957.12 × 344,423,888.81 - Step 4: Simplify right side
582,374,728.21x = 276,812,431,396,034,208 - Step 5: Solve for x
x = 276,812,431,396,034,208/582,374,728.21 - Step 6: Final answer
x = 475,316,695.57
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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.