Finding the Fourth Proportional to 1,552,248,730.20, 2,328,696,576.90 and 517,431,091.80
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Solution
The fourth proportional to 1,552,248,730.20, 2,328,696,576.90 and 517,431,091.80 is: 776,254,467.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,248,730.20 : 2,328,696,576.90 = 517,431,091.80 : x - Step 2: Convert to fraction form
1,552,248,730.20/2,328,696,576.90 = 517,431,091.80/x - Step 3: Cross multiply
1,552,248,730.20x = 2,328,696,576.90 × 517,431,091.80 - Step 4: Simplify right side
1,552,248,730.20x = 1,204,940,012,256,289,792 - Step 5: Solve for x
x = 1,204,940,012,256,289,792/1,552,248,730.20 - Step 6: Final answer
x = 776,254,467.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.