Finding the Fourth Proportional to 967,082,272.80, 1,447,275,330.90 and 579,183,486.90
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Solution
The fourth proportional to 967,082,272.80, 1,447,275,330.90 and 579,183,486.90 is: 866,770,073.48
Step by Step Solution
- Step 1: Write the proportion equation
967,082,272.80 : 1,447,275,330.90 = 579,183,486.90 : x - Step 2: Convert to fraction form
967,082,272.80/1,447,275,330.90 = 579,183,486.90/x - Step 3: Cross multiply
967,082,272.80x = 1,447,275,330.90 × 579,183,486.90 - Step 4: Simplify right side
967,082,272.80x = 838,237,972,655,013,376 - Step 5: Solve for x
x = 838,237,972,655,013,376/967,082,272.80 - Step 6: Final answer
x = 866,770,073.48
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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.