Finding the Fourth Proportional to 788,677,272.41, 1,082,675,355.91 and 676,974,186.84
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Solution
The fourth proportional to 788,677,272.41, 1,082,675,355.91 and 676,974,186.84 is: 929,332,306.53
Step by Step Solution
- Step 1: Write the proportion equation
788,677,272.41 : 1,082,675,355.91 = 676,974,186.84 : x - Step 2: Convert to fraction form
788,677,272.41/1,082,675,355.91 = 676,974,186.84/x - Step 3: Cross multiply
788,677,272.41x = 1,082,675,355.91 × 676,974,186.84 - Step 4: Simplify right side
788,677,272.41x = 732,943,268,678,879,872 - Step 5: Solve for x
x = 732,943,268,678,879,872/788,677,272.41 - Step 6: Final answer
x = 929,332,306.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.