Finding the Fourth Proportional to 5,773,893,699.16, 7,971,572,010.77 and 3,968,514,220.42
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Solution
The fourth proportional to 5,773,893,699.16, 7,971,572,010.77 and 3,968,514,220.42 is: 5,479,023,087.74
Step by Step Solution
- Step 1: Write the proportion equation
5,773,893,699.16 : 7,971,572,010.77 = 3,968,514,220.42 : x - Step 2: Convert to fraction form
5,773,893,699.16/7,971,572,010.77 = 3,968,514,220.42/x - Step 3: Cross multiply
5,773,893,699.16x = 7,971,572,010.77 × 3,968,514,220.42 - Step 4: Simplify right side
5,773,893,699.16x = 31,635,296,883,847,200,768 - Step 5: Solve for x
x = 31,635,296,883,847,200,768/5,773,893,699.16 - Step 6: Final answer
x = 5,479,023,087.74
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Double scale
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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.