Finding the Fourth Proportional to 4,269,342,803.20, 6,403,423,714.80 and 1,323,648,008.80
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Solution
The fourth proportional to 4,269,342,803.20, 6,403,423,714.80 and 1,323,648,008.80 is: 1,985,288,940.31
Step by Step Solution
- Step 1: Write the proportion equation
4,269,342,803.20 : 6,403,423,714.80 = 1,323,648,008.80 : x - Step 2: Convert to fraction form
4,269,342,803.20/6,403,423,714.80 = 1,323,648,008.80/x - Step 3: Cross multiply
4,269,342,803.20x = 6,403,423,714.80 × 1,323,648,008.80 - Step 4: Simplify right side
4,269,342,803.20x = 8,475,879,049,597,718,528 - Step 5: Solve for x
x = 8,475,879,049,597,718,528/4,269,342,803.20 - Step 6: Final answer
x = 1,985,288,940.31
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1.5x scale
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.