Finding the Fourth Proportional to 1,509,992,324.48, 2,084,042,979.47 and 875,309,830.07
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Solution
The fourth proportional to 1,509,992,324.48, 2,084,042,979.47 and 875,309,830.07 is: 1,208,074,555.50
Step by Step Solution
- Step 1: Write the proportion equation
1,509,992,324.48 : 2,084,042,979.47 = 875,309,830.07 : x - Step 2: Convert to fraction form
1,509,992,324.48/2,084,042,979.47 = 875,309,830.07/x - Step 3: Cross multiply
1,509,992,324.48x = 2,084,042,979.47 × 875,309,830.07 - Step 4: Simplify right side
1,509,992,324.48x = 1,824,183,306,210,230,528 - Step 5: Solve for x
x = 1,824,183,306,210,230,528/1,509,992,324.48 - Step 6: Final answer
x = 1,208,074,555.50
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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.