Finding the Fourth Proportional to 934,728,616.30, 1,283,170,788.28 and 802,339,774.14
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Solution
The fourth proportional to 934,728,616.30, 1,283,170,788.28 and 802,339,774.14 is: 1,101,430,877.90
Step by Step Solution
- Step 1: Write the proportion equation
934,728,616.30 : 1,283,170,788.28 = 802,339,774.14 : x - Step 2: Convert to fraction form
934,728,616.30/1,283,170,788.28 = 802,339,774.14/x - Step 3: Cross multiply
934,728,616.30x = 1,283,170,788.28 × 802,339,774.14 - Step 4: Simplify right side
934,728,616.30x = 1,029,538,960,451,620,864 - Step 5: Solve for x
x = 1,029,538,960,451,620,864/934,728,616.30 - Step 6: Final answer
x = 1,101,430,877.90
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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.