Finding the Fourth Proportional to 756,165,074,486.80, 1,043,510,946,750.60 and 408,935,353,375.45
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Solution
The fourth proportional to 756,165,074,486.80, 1,043,510,946,750.60 and 408,935,353,375.45 is: 564,332,487,916.38
Step by Step Solution
- Step 1: Write the proportion equation
756,165,074,486.80 : 1,043,510,946,750.60 = 408,935,353,375.45 : x - Step 2: Convert to fraction form
756,165,074,486.80/1,043,510,946,750.60 = 408,935,353,375.45/x - Step 3: Cross multiply
756,165,074,486.80x = 1,043,510,946,750.60 × 408,935,353,375.45 - Step 4: Simplify right side
756,165,074,486.80x = 426,728,517,760,606,973,984,768 - Step 5: Solve for x
x = 426,728,517,760,606,973,984,768/756,165,074,486.80 - Step 6: Final answer
x = 564,332,487,916.38
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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.