Finding the Fourth Proportional to 683,748,901.48, 1,026,647,918.94 and 591,915,896.68
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Solution
The fourth proportional to 683,748,901.48, 1,026,647,918.94 and 591,915,896.68 is: 888,760,804.15
Step by Step Solution
- Step 1: Write the proportion equation
683,748,901.48 : 1,026,647,918.94 = 591,915,896.68 : x - Step 2: Convert to fraction form
683,748,901.48/1,026,647,918.94 = 591,915,896.68/x - Step 3: Cross multiply
683,748,901.48x = 1,026,647,918.94 × 591,915,896.68 - Step 4: Simplify right side
683,748,901.48x = 607,689,223,514,025,984 - Step 5: Solve for x
x = 607,689,223,514,025,984/683,748,901.48 - Step 6: Final answer
x = 888,760,804.15
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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.