Finding the Fourth Proportional to 2,574,464,659.80, 3,861,696,989.70 and 635,767,891.80
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Solution
The fourth proportional to 2,574,464,659.80, 3,861,696,989.70 and 635,767,891.80 is: 953,651,837.70
Step by Step Solution
- Step 1: Write the proportion equation
2,574,464,659.80 : 3,861,696,989.70 = 635,767,891.80 : x - Step 2: Convert to fraction form
2,574,464,659.80/3,861,696,989.70 = 635,767,891.80/x - Step 3: Cross multiply
2,574,464,659.80x = 3,861,696,989.70 × 635,767,891.80 - Step 4: Simplify right side
2,574,464,659.80x = 2,455,142,953,911,974,912 - Step 5: Solve for x
x = 2,455,142,953,911,974,912/2,574,464,659.80 - Step 6: Final answer
x = 953,651,837.70
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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.