Finding the Fourth Proportional to 5,657,990,797.24, 7,807,675,490.71 and 3,117,530,597.79
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Solution
The fourth proportional to 5,657,990,797.24, 7,807,675,490.71 and 3,117,530,597.79 is: 4,301,998,379.31
Step by Step Solution
- Step 1: Write the proportion equation
5,657,990,797.24 : 7,807,675,490.71 = 3,117,530,597.79 : x - Step 2: Convert to fraction form
5,657,990,797.24/7,807,675,490.71 = 3,117,530,597.79/x - Step 3: Cross multiply
5,657,990,797.24x = 7,807,675,490.71 × 3,117,530,597.79 - Step 4: Simplify right side
5,657,990,797.24x = 24,340,667,239,880,847,360 - Step 5: Solve for x
x = 24,340,667,239,880,847,360/5,657,990,797.24 - Step 6: Final answer
x = 4,301,998,379.31
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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.