Finding the Fourth Proportional to 821,735,920.44, 1,231,832,294.06 and 276,095,866.68
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Solution
The fourth proportional to 821,735,920.44, 1,231,832,294.06 and 276,095,866.68 is: 413,884,553.87
Step by Step Solution
- Step 1: Write the proportion equation
821,735,920.44 : 1,231,832,294.06 = 276,095,866.68 : x - Step 2: Convert to fraction form
821,735,920.44/1,231,832,294.06 = 276,095,866.68/x - Step 3: Cross multiply
821,735,920.44x = 1,231,832,294.06 × 276,095,866.68 - Step 4: Simplify right side
821,735,920.44x = 340,103,804,832,908,288 - Step 5: Solve for x
x = 340,103,804,832,908,288/821,735,920.44 - Step 6: Final answer
x = 413,884,553.87
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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.