Finding the Fourth Proportional to 2,115,176,299.46, 2,918,969,743.51 and 1,162,661,032.34
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Solution
The fourth proportional to 2,115,176,299.46, 2,918,969,743.51 and 1,162,661,032.34 is: 1,604,486,763.69
Step by Step Solution
- Step 1: Write the proportion equation
2,115,176,299.46 : 2,918,969,743.51 = 1,162,661,032.34 : x - Step 2: Convert to fraction form
2,115,176,299.46/2,918,969,743.51 = 1,162,661,032.34/x - Step 3: Cross multiply
2,115,176,299.46x = 2,918,969,743.51 × 1,162,661,032.34 - Step 4: Simplify right side
2,115,176,299.46x = 3,393,772,375,351,845,888 - Step 5: Solve for x
x = 3,393,772,375,351,845,888/2,115,176,299.46 - Step 6: Final answer
x = 1,604,486,763.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.