Finding the Fourth Proportional to 2,656,979,276,154.80, 3,985,468,923,794.80 and 746,856,468,636.55
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Solution
The fourth proportional to 2,656,979,276,154.80, 3,985,468,923,794.80 and 746,856,468,636.55 is: 1,120,284,705,642.80
Step by Step Solution
- Step 1: Write the proportion equation
2,656,979,276,154.80 : 3,985,468,923,794.80 = 746,856,468,636.55 : x - Step 2: Convert to fraction form
2,656,979,276,154.80/3,985,468,923,794.80 = 746,856,468,636.55/x - Step 3: Cross multiply
2,656,979,276,154.80x = 3,985,468,923,794.80 × 746,856,468,636.55 - Step 4: Simplify right side
2,656,979,276,154.80x = 2,976,573,246,286,095,731,130,368 - Step 5: Solve for x
x = 2,976,573,246,286,095,731,130,368/2,656,979,276,154.80 - Step 6: Final answer
x = 1,120,284,705,642.80
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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.