Finding the Fourth Proportional to 5,125,342,880.97, 7,687,237,529.97 and 1,394,924,968.71
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Solution
The fourth proportional to 5,125,342,880.97, 7,687,237,529.97 and 1,394,924,968.71 is: 2,092,176,039.73
Step by Step Solution
- Step 1: Write the proportion equation
5,125,342,880.97 : 7,687,237,529.97 = 1,394,924,968.71 : x - Step 2: Convert to fraction form
5,125,342,880.97/7,687,237,529.97 = 1,394,924,968.71/x - Step 3: Cross multiply
5,125,342,880.97x = 7,687,237,529.97 × 1,394,924,968.71 - Step 4: Simplify right side
5,125,342,880.97x = 10,723,119,570,959,740,928 - Step 5: Solve for x
x = 10,723,119,570,959,740,928/5,125,342,880.97 - Step 6: Final answer
x = 2,092,176,039.73
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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.