Finding the Fourth Proportional to 1,428,283,195.38, 1,970,852,326.77 and 793,117,329.48
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Solution
The fourth proportional to 1,428,283,195.38, 1,970,852,326.77 and 793,117,329.48 is: 1,094,402,804.19
Step by Step Solution
- Step 1: Write the proportion equation
1,428,283,195.38 : 1,970,852,326.77 = 793,117,329.48 : x - Step 2: Convert to fraction form
1,428,283,195.38/1,970,852,326.77 = 793,117,329.48/x - Step 3: Cross multiply
1,428,283,195.38x = 1,970,852,326.77 × 793,117,329.48 - Step 4: Simplify right side
1,428,283,195.38x = 1,563,117,134,207,266,816 - Step 5: Solve for x
x = 1,563,117,134,207,266,816/1,428,283,195.38 - Step 6: Final answer
x = 1,094,402,804.19
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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.