Finding the Fourth Proportional to 4,976,327,488.98, 6,867,331,670.73 and 2,687,459,505.98
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Solution
The fourth proportional to 4,976,327,488.98, 6,867,331,670.73 and 2,687,459,505.98 is: 3,708,693,975.65
Step by Step Solution
- Step 1: Write the proportion equation
4,976,327,488.98 : 6,867,331,670.73 = 2,687,459,505.98 : x - Step 2: Convert to fraction form
4,976,327,488.98/6,867,331,670.73 = 2,687,459,505.98/x - Step 3: Cross multiply
4,976,327,488.98x = 6,867,331,670.73 × 2,687,459,505.98 - Step 4: Simplify right side
4,976,327,488.98x = 18,455,675,779,229,749,248 - Step 5: Solve for x
x = 18,455,675,779,229,749,248/4,976,327,488.98 - Step 6: Final answer
x = 3,708,693,975.65
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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.