Finding the Fourth Proportional to 6,849,331,217.84, 9,451,916,318.76 and 4,030,121,743.76
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Solution
The fourth proportional to 6,849,331,217.84, 9,451,916,318.76 and 4,030,121,743.76 is: 5,561,473,414.69
Step by Step Solution
- Step 1: Write the proportion equation
6,849,331,217.84 : 9,451,916,318.76 = 4,030,121,743.76 : x - Step 2: Convert to fraction form
6,849,331,217.84/9,451,916,318.76 = 4,030,121,743.76/x - Step 3: Cross multiply
6,849,331,217.84x = 9,451,916,318.76 × 4,030,121,743.76 - Step 4: Simplify right side
6,849,331,217.84x = 38,092,373,476,434,657,280 - Step 5: Solve for x
x = 38,092,373,476,434,657,280/6,849,331,217.84 - Step 6: Final answer
x = 5,561,473,414.69
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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.