Finding the Fourth Proportional to 2,488,291,836.77, 3,732,412,206.54 and 1,438,361,975.99
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Solution
The fourth proportional to 2,488,291,836.77, 3,732,412,206.54 and 1,438,361,975.99 is: 2,157,528,195.56
Step by Step Solution
- Step 1: Write the proportion equation
2,488,291,836.77 : 3,732,412,206.54 = 1,438,361,975.99 : x - Step 2: Convert to fraction form
2,488,291,836.77/3,732,412,206.54 = 1,438,361,975.99/x - Step 3: Cross multiply
2,488,291,836.77x = 3,732,412,206.54 × 1,438,361,975.99 - Step 4: Simplify right side
2,488,291,836.77x = 5,368,559,796,608,070,656 - Step 5: Solve for x
x = 5,368,559,796,608,070,656/2,488,291,836.77 - Step 6: Final answer
x = 2,157,528,195.56
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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.