Finding the Fourth Proportional to 954,655,013.92, 1,317,410,687.28 and 536,967,581.44
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Solution
The fourth proportional to 954,655,013.92, 1,317,410,687.28 and 536,967,581.44 is: 741,007,819.79
Step by Step Solution
- Step 1: Write the proportion equation
954,655,013.92 : 1,317,410,687.28 = 536,967,581.44 : x - Step 2: Convert to fraction form
954,655,013.92/1,317,410,687.28 = 536,967,581.44/x - Step 3: Cross multiply
954,655,013.92x = 1,317,410,687.28 × 536,967,581.44 - Step 4: Simplify right side
954,655,013.92x = 707,406,830,511,949,824 - Step 5: Solve for x
x = 707,406,830,511,949,824/954,655,013.92 - Step 6: Final answer
x = 741,007,819.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.