Finding the Fourth Proportional to 1,624,043,493.59, 2,241,120,008.97 and 881,471,613.11
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Solution
The fourth proportional to 1,624,043,493.59, 2,241,120,008.97 and 881,471,613.11 is: 1,216,398,253.66
Step by Step Solution
- Step 1: Write the proportion equation
1,624,043,493.59 : 2,241,120,008.97 = 881,471,613.11 : x - Step 2: Convert to fraction form
1,624,043,493.59/2,241,120,008.97 = 881,471,613.11/x - Step 3: Cross multiply
1,624,043,493.59x = 2,241,120,008.97 × 881,471,613.11 - Step 4: Simplify right side
1,624,043,493.59x = 1,975,483,669,468,677,888 - Step 5: Solve for x
x = 1,975,483,669,468,677,888/1,624,043,493.59 - Step 6: Final answer
x = 1,216,398,253.66
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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.