Finding the Fourth Proportional to 1,838,761,423.73, 2,537,544,599.93 and 1,003,439,835.53
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Solution
The fourth proportional to 1,838,761,423.73, 2,537,544,599.93 and 1,003,439,835.53 is: 1,384,776,351.70
Step by Step Solution
- Step 1: Write the proportion equation
1,838,761,423.73 : 2,537,544,599.93 = 1,003,439,835.53 : x - Step 2: Convert to fraction form
1,838,761,423.73/2,537,544,599.93 = 1,003,439,835.53/x - Step 3: Cross multiply
1,838,761,423.73x = 2,537,544,599.93 × 1,003,439,835.53 - Step 4: Simplify right side
1,838,761,423.73x = 2,546,273,335,993,619,456 - Step 5: Solve for x
x = 2,546,273,335,993,619,456/1,838,761,423.73 - Step 6: Final answer
x = 1,384,776,351.70
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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.