Finding the Fourth Proportional to 1,325,169,186.96, 1,828,815,295.68 and 730,452,329.96
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Solution
The fourth proportional to 1,325,169,186.96, 1,828,815,295.68 and 730,452,329.96 is: 1,008,069,314.43
Step by Step Solution
- Step 1: Write the proportion equation
1,325,169,186.96 : 1,828,815,295.68 = 730,452,329.96 : x - Step 2: Convert to fraction form
1,325,169,186.96/1,828,815,295.68 = 730,452,329.96/x - Step 3: Cross multiply
1,325,169,186.96x = 1,828,815,295.68 × 730,452,329.96 - Step 4: Simplify right side
1,325,169,186.96x = 1,335,862,393,795,942,400 - Step 5: Solve for x
x = 1,335,862,393,795,942,400/1,325,169,186.96 - Step 6: Final answer
x = 1,008,069,314.43
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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.