Finding the Fourth Proportional to 1,455,335,464.80, 2,183,003,197.20 and 581,504,743.20
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Solution
The fourth proportional to 1,455,335,464.80, 2,183,003,197.20 and 581,504,743.20 is: 872,257,114.80
Step by Step Solution
- Step 1: Write the proportion equation
1,455,335,464.80 : 2,183,003,197.20 = 581,504,743.20 : x - Step 2: Convert to fraction form
1,455,335,464.80/2,183,003,197.20 = 581,504,743.20/x - Step 3: Cross multiply
1,455,335,464.80x = 2,183,003,197.20 × 581,504,743.20 - Step 4: Simplify right side
1,455,335,464.80x = 1,269,426,713,592,564,992 - Step 5: Solve for x
x = 1,269,426,713,592,564,992/1,455,335,464.80 - Step 6: Final answer
x = 872,257,114.80
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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.