Finding the Fourth Proportional to 4,093,472,994.94, 5,648,992,741.92 and 2,213,878,278.70
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Solution
The fourth proportional to 4,093,472,994.94, 5,648,992,741.92 and 2,213,878,278.70 is: 3,055,152,029.42
Step by Step Solution
- Step 1: Write the proportion equation
4,093,472,994.94 : 5,648,992,741.92 = 2,213,878,278.70 : x - Step 2: Convert to fraction form
4,093,472,994.94/5,648,992,741.92 = 2,213,878,278.70/x - Step 3: Cross multiply
4,093,472,994.94x = 5,648,992,741.92 × 2,213,878,278.70 - Step 4: Simplify right side
4,093,472,994.94x = 12,506,182,327,870,642,176 - Step 5: Solve for x
x = 12,506,182,327,870,642,176/4,093,472,994.94 - Step 6: Final answer
x = 3,055,152,029.42
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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.