Finding the Fourth Proportional to 910,289,346.86, 1,256,199,300.06 and 492,601,632
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Solution
The fourth proportional to 910,289,346.86, 1,256,199,300.06 and 492,601,632 is: 679,790,252.91
Step by Step Solution
- Step 1: Write the proportion equation
910,289,346.86 : 1,256,199,300.06 = 492,601,632 : x - Step 2: Convert to fraction form
910,289,346.86/1,256,199,300.06 = 492,601,632/x - Step 3: Cross multiply
910,289,346.86x = 1,256,199,300.06 × 492,601,632 - Step 4: Simplify right side
910,289,346.86x = 618,805,825,326,813,696 - Step 5: Solve for x
x = 618,805,825,326,813,696/910,289,346.86 - Step 6: Final answer
x = 679,790,252.91
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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.