Finding the Fourth Proportional to 1,083,161,319.84, 1,494,720,714.96 and 588,112,699.68
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Solution
The fourth proportional to 1,083,161,319.84, 1,494,720,714.96 and 588,112,699.68 is: 811,572,772.07
Step by Step Solution
- Step 1: Write the proportion equation
1,083,161,319.84 : 1,494,720,714.96 = 588,112,699.68 : x - Step 2: Convert to fraction form
1,083,161,319.84/1,494,720,714.96 = 588,112,699.68/x - Step 3: Cross multiply
1,083,161,319.84x = 1,494,720,714.96 × 588,112,699.68 - Step 4: Simplify right side
1,083,161,319.84x = 879,064,234,942,745,344 - Step 5: Solve for x
x = 879,064,234,942,745,344/1,083,161,319.84 - Step 6: Final answer
x = 811,572,772.07
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1.5x scale
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.