Finding the Fourth Proportional to 485,168,324.20, 727,256,474.70 and 239,146,570.60
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Solution
The fourth proportional to 485,168,324.20, 727,256,474.70 and 239,146,570.60 is: 358,475,364.52
Step by Step Solution
- Step 1: Write the proportion equation
485,168,324.20 : 727,256,474.70 = 239,146,570.60 : x - Step 2: Convert to fraction form
485,168,324.20/727,256,474.70 = 239,146,570.60/x - Step 3: Cross multiply
485,168,324.20x = 727,256,474.70 × 239,146,570.60 - Step 4: Simplify right side
485,168,324.20x = 173,920,891,871,150,656 - Step 5: Solve for x
x = 173,920,891,871,150,656/485,168,324.20 - Step 6: Final answer
x = 358,475,364.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.