Finding the Fourth Proportional to 2,511,340,553.87, 3,767,245,495.23 and 740,712,998.55
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Solution
The fourth proportional to 2,511,340,553.87, 3,767,245,495.23 and 740,712,998.55 is: 1,111,138,711.45
Step by Step Solution
- Step 1: Write the proportion equation
2,511,340,553.87 : 3,767,245,495.23 = 740,712,998.55 : x - Step 2: Convert to fraction form
2,511,340,553.87/3,767,245,495.23 = 740,712,998.55/x - Step 3: Cross multiply
2,511,340,553.87x = 3,767,245,495.23 × 740,712,998.55 - Step 4: Simplify right side
2,511,340,553.87x = 2,790,447,707,045,792,768 - Step 5: Solve for x
x = 2,790,447,707,045,792,768/2,511,340,553.87 - Step 6: Final answer
x = 1,111,138,711.45
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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.