Finding the Fourth Proportional to 1,165,527,081,618.20, 1,608,319,433,304.40 and 644,671,289,749.92
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Solution
The fourth proportional to 1,165,527,081,618.20, 1,608,319,433,304.40 and 644,671,289,749.92 is: 889,586,676,921.04
Step by Step Solution
- Step 1: Write the proportion equation
1,165,527,081,618.20 : 1,608,319,433,304.40 = 644,671,289,749.92 : x - Step 2: Convert to fraction form
1,165,527,081,618.20/1,608,319,433,304.40 = 644,671,289,749.92/x - Step 3: Cross multiply
1,165,527,081,618.20x = 1,608,319,433,304.40 × 644,671,289,749.92 - Step 4: Simplify right side
1,165,527,081,618.20x = 1,036,837,363,398,208,045,187,072 - Step 5: Solve for x
x = 1,036,837,363,398,208,045,187,072/1,165,527,081,618.20 - Step 6: Final answer
x = 889,586,676,921.04
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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.