Finding the Fourth Proportional to 369,648,244.20, 510,094,367.68 and 202,352,141.80
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Solution
The fourth proportional to 369,648,244.20, 510,094,367.68 and 202,352,141.80 is: 279,234,892.74
Step by Step Solution
- Step 1: Write the proportion equation
369,648,244.20 : 510,094,367.68 = 202,352,141.80 : x - Step 2: Convert to fraction form
369,648,244.20/510,094,367.68 = 202,352,141.80/x - Step 3: Cross multiply
369,648,244.20x = 510,094,367.68 × 202,352,141.80 - Step 4: Simplify right side
369,648,244.20x = 103,218,687,820,164,704 - Step 5: Solve for x
x = 103,218,687,820,164,704/369,648,244.20 - Step 6: Final answer
x = 279,234,892.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.