Finding the Fourth Proportional to 2,115,176,299.58, 2,918,969,743.68 and 1,162,661,032.46
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Solution
The fourth proportional to 2,115,176,299.58, 2,918,969,743.68 and 1,162,661,032.46 is: 1,604,486,763.86
Step by Step Solution
- Step 1: Write the proportion equation
2,115,176,299.58 : 2,918,969,743.68 = 1,162,661,032.46 : x - Step 2: Convert to fraction form
2,115,176,299.58/2,918,969,743.68 = 1,162,661,032.46/x - Step 3: Cross multiply
2,115,176,299.58x = 2,918,969,743.68 × 1,162,661,032.46 - Step 4: Simplify right side
2,115,176,299.58x = 3,393,772,375,915,299,840 - Step 5: Solve for x
x = 3,393,772,375,915,299,840/2,115,176,299.58 - Step 6: Final answer
x = 1,604,486,763.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.