Finding the Fourth Proportional to 7,937,674,658.47, 11,906,511,983.60 and 2,963,784,948.87
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Solution
The fourth proportional to 7,937,674,658.47, 11,906,511,983.60 and 2,963,784,948.87 is: 4,445,677,421.77
Step by Step Solution
- Step 1: Write the proportion equation
7,937,674,658.47 : 11,906,511,983.60 = 2,963,784,948.87 : x - Step 2: Convert to fraction form
7,937,674,658.47/11,906,511,983.60 = 2,963,784,948.87/x - Step 3: Cross multiply
7,937,674,658.47x = 11,906,511,983.60 × 2,963,784,948.87 - Step 4: Simplify right side
7,937,674,658.47x = 35,288,341,010,528,038,912 - Step 5: Solve for x
x = 35,288,341,010,528,038,912/7,937,674,658.47 - Step 6: Final answer
x = 4,445,677,421.77
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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.