Finding the Fourth Proportional to 788,680,469.08, 1,082,679,723.07 and 676,977,383.75
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Solution
The fourth proportional to 788,680,469.08, 1,082,679,723.07 and 676,977,383.75 is: 929,336,677.01
Step by Step Solution
- Step 1: Write the proportion equation
788,680,469.08 : 1,082,679,723.07 = 676,977,383.75 : x - Step 2: Convert to fraction form
788,680,469.08/1,082,679,723.07 = 676,977,383.75/x - Step 3: Cross multiply
788,680,469.08x = 1,082,679,723.07 × 676,977,383.75 - Step 4: Simplify right side
788,680,469.08x = 732,949,686,359,788,416 - Step 5: Solve for x
x = 732,949,686,359,788,416/788,680,469.08 - Step 6: Final answer
x = 929,336,677.01
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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.