Finding the Fourth Proportional to 4,786,812,261.18, 7,174,505,860.05 and 2,227,901,465.07
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Solution
The fourth proportional to 4,786,812,261.18, 7,174,505,860.05 and 2,227,901,465.07 is: 3,339,193,443.28
Step by Step Solution
- Step 1: Write the proportion equation
4,786,812,261.18 : 7,174,505,860.05 = 2,227,901,465.07 : x - Step 2: Convert to fraction form
4,786,812,261.18/7,174,505,860.05 = 2,227,901,465.07/x - Step 3: Cross multiply
4,786,812,261.18x = 7,174,505,860.05 × 2,227,901,465.07 - Step 4: Simplify right side
4,786,812,261.18x = 15,984,092,116,758,697,984 - Step 5: Solve for x
x = 15,984,092,116,758,697,984/4,786,812,261.18 - Step 6: Final answer
x = 3,339,193,443.28
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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.