Finding the Fourth Proportional to 445,560,078, 668,476,950.24 and 212,687,946.48
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Solution
The fourth proportional to 445,560,078, 668,476,950.24 and 212,687,946.48 is: 319,097,237.02
Step by Step Solution
- Step 1: Write the proportion equation
445,560,078 : 668,476,950.24 = 212,687,946.48 : x - Step 2: Convert to fraction form
445,560,078/668,476,950.24 = 212,687,946.48/x - Step 3: Cross multiply
445,560,078x = 668,476,950.24 × 212,687,946.48 - Step 4: Simplify right side
445,560,078x = 142,176,989,815,758,736 - Step 5: Solve for x
x = 142,176,989,815,758,736/445,560,078 - Step 6: Final answer
x = 319,097,237.02
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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.