Finding the Fourth Proportional to 1,043,001,947.10, 1,562,235,439.05 and 633,343,604.70
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Solution
The fourth proportional to 1,043,001,947.10, 1,562,235,439.05 and 633,343,604.70 is: 948,638,520.87
Step by Step Solution
- Step 1: Write the proportion equation
1,043,001,947.10 : 1,562,235,439.05 = 633,343,604.70 : x - Step 2: Convert to fraction form
1,043,001,947.10/1,562,235,439.05 = 633,343,604.70/x - Step 3: Cross multiply
1,043,001,947.10x = 1,562,235,439.05 × 633,343,604.70 - Step 4: Simplify right side
1,043,001,947.10x = 989,431,824,358,014,208 - Step 5: Solve for x
x = 989,431,824,358,014,208/1,043,001,947.10 - Step 6: Final answer
x = 948,638,520.87
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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.