Finding the Fourth Proportional to 18,456,805,813.60, 27,685,964,547.60 and 5,370,602,629.60
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Solution
The fourth proportional to 18,456,805,813.60, 27,685,964,547.60 and 5,370,602,629.60 is: 8,056,123,876.69
Step by Step Solution
- Step 1: Write the proportion equation
18,456,805,813.60 : 27,685,964,547.60 = 5,370,602,629.60 : x - Step 2: Convert to fraction form
18,456,805,813.60/27,685,964,547.60 = 5,370,602,629.60/x - Step 3: Cross multiply
18,456,805,813.60x = 27,685,964,547.60 × 5,370,602,629.60 - Step 4: Simplify right side
18,456,805,813.60x = 148,690,314,002,352,930,816 - Step 5: Solve for x
x = 148,690,314,002,352,930,816/18,456,805,813.60 - Step 6: Final answer
x = 8,056,123,876.69
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1.5x scale
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.