Finding the Fourth Proportional to 399,264,906.60, 598,897,359.90 and 194,687,677.80
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Solution
The fourth proportional to 399,264,906.60, 598,897,359.90 and 194,687,677.80 is: 292,031,516.70
Step by Step Solution
- Step 1: Write the proportion equation
399,264,906.60 : 598,897,359.90 = 194,687,677.80 : x - Step 2: Convert to fraction form
399,264,906.60/598,897,359.90 = 194,687,677.80/x - Step 3: Cross multiply
399,264,906.60x = 598,897,359.90 × 194,687,677.80 - Step 4: Simplify right side
399,264,906.60x = 116,597,936,239,481,840 - Step 5: Solve for x
x = 116,597,936,239,481,840/399,264,906.60 - Step 6: Final answer
x = 292,031,516.70
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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.