Finding the Fourth Proportional to 1,545,304,919.19, 2,318,910,798.98 and 716,104,003.83
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Solution
The fourth proportional to 1,545,304,919.19, 2,318,910,798.98 and 716,104,003.83 is: 1,074,597,826.65
Step by Step Solution
- Step 1: Write the proportion equation
1,545,304,919.19 : 2,318,910,798.98 = 716,104,003.83 : x - Step 2: Convert to fraction form
1,545,304,919.19/2,318,910,798.98 = 716,104,003.83/x - Step 3: Cross multiply
1,545,304,919.19x = 2,318,910,798.98 × 716,104,003.83 - Step 4: Simplify right side
1,545,304,919.19x = 1,660,581,307,674,202,368 - Step 5: Solve for x
x = 1,660,581,307,674,202,368/1,545,304,919.19 - Step 6: Final answer
x = 1,074,597,826.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.