Finding the Fourth Proportional to 355,687,603.10, 490,838,350.14 and 196,924,801.88
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Solution
The fourth proportional to 355,687,603.10, 490,838,350.14 and 196,924,801.88 is: 271,750,389.99
Step by Step Solution
- Step 1: Write the proportion equation
355,687,603.10 : 490,838,350.14 = 196,924,801.88 : x - Step 2: Convert to fraction form
355,687,603.10/490,838,350.14 = 196,924,801.88/x - Step 3: Cross multiply
355,687,603.10x = 490,838,350.14 × 196,924,801.88 - Step 4: Simplify right side
355,687,603.10x = 96,658,244,856,425,568 - Step 5: Solve for x
x = 96,658,244,856,425,568/355,687,603.10 - Step 6: Final answer
x = 271,750,389.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.