Finding the Fourth Proportional to 6,240,873,700.98, 8,612,403,634.74 and 3,421,421,092.26
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Solution
The fourth proportional to 6,240,873,700.98, 8,612,403,634.74 and 3,421,421,092.26 is: 4,721,559,971.05
Step by Step Solution
- Step 1: Write the proportion equation
6,240,873,700.98 : 8,612,403,634.74 = 3,421,421,092.26 : x - Step 2: Convert to fraction form
6,240,873,700.98/8,612,403,634.74 = 3,421,421,092.26/x - Step 3: Cross multiply
6,240,873,700.98x = 8,612,403,634.74 × 3,421,421,092.26 - Step 4: Simplify right side
6,240,873,700.98x = 29,466,659,450,956,124,160 - Step 5: Solve for x
x = 29,466,659,450,956,124,160/6,240,873,700.98 - Step 6: Final answer
x = 4,721,559,971.05
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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.