Finding the Fourth Proportional to 457,366,146.68, 631,169,275.56 and 248,522,284.28
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Solution
The fourth proportional to 457,366,146.68, 631,169,275.56 and 248,522,284.28 is: 342,962,922.09
Step by Step Solution
- Step 1: Write the proportion equation
457,366,146.68 : 631,169,275.56 = 248,522,284.28 : x - Step 2: Convert to fraction form
457,366,146.68/631,169,275.56 = 248,522,284.28/x - Step 3: Cross multiply
457,366,146.68x = 631,169,275.56 × 248,522,284.28 - Step 4: Simplify right side
457,366,146.68x = 156,859,630,129,523,968 - Step 5: Solve for x
x = 156,859,630,129,523,968/457,366,146.68 - Step 6: Final answer
x = 342,962,922.09
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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.