Finding the Fourth Proportional to 2,574,100,963.20, 3,861,151,444.80 and 708,743,053.20
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Solution
The fourth proportional to 2,574,100,963.20, 3,861,151,444.80 and 708,743,053.20 is: 1,063,114,579.80
Step by Step Solution
- Step 1: Write the proportion equation
2,574,100,963.20 : 3,861,151,444.80 = 708,743,053.20 : x - Step 2: Convert to fraction form
2,574,100,963.20/3,861,151,444.80 = 708,743,053.20/x - Step 3: Cross multiply
2,574,100,963.20x = 3,861,151,444.80 × 708,743,053.20 - Step 4: Simplify right side
2,574,100,963.20x = 2,736,564,263,855,143,424 - Step 5: Solve for x
x = 2,736,564,263,855,143,424/2,574,100,963.20 - Step 6: Final answer
x = 1,063,114,579.80
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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.