Finding the Fourth Proportional to 1,889,572,214.80, 2,834,358,322.20 and 1,647,707,510.80
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Solution
The fourth proportional to 1,889,572,214.80, 2,834,358,322.20 and 1,647,707,510.80 is: 2,471,561,266.20
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,214.80 : 2,834,358,322.20 = 1,647,707,510.80 : x - Step 2: Convert to fraction form
1,889,572,214.80/2,834,358,322.20 = 1,647,707,510.80/x - Step 3: Cross multiply
1,889,572,214.80x = 2,834,358,322.20 × 1,647,707,510.80 - Step 4: Simplify right side
1,889,572,214.80x = 4,670,193,495,787,425,792 - Step 5: Solve for x
x = 4,670,193,495,787,425,792/1,889,572,214.80 - Step 6: Final answer
x = 2,471,561,266.20
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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.