Finding the Fourth Proportional to 3,778,045,134.93, 5,215,374,314.04 and 2,440,587,497.44
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Solution
The fourth proportional to 3,778,045,134.93, 5,215,374,314.04 and 2,440,587,497.44 is: 3,369,090,863.32
Step by Step Solution
- Step 1: Write the proportion equation
3,778,045,134.93 : 5,215,374,314.04 = 2,440,587,497.44 : x - Step 2: Convert to fraction form
3,778,045,134.93/5,215,374,314.04 = 2,440,587,497.44/x - Step 3: Cross multiply
3,778,045,134.93x = 5,215,374,314.04 × 2,440,587,497.44 - Step 4: Simplify right side
3,778,045,134.93x = 12,728,577,345,315,739,648 - Step 5: Solve for x
x = 12,728,577,345,315,739,648/3,778,045,134.93 - Step 6: Final answer
x = 3,369,090,863.32
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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.