Finding the Fourth Proportional to 927,148,045,305.40, 1,390,722,067,958.10 and 674,423,616,095.80
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Solution
The fourth proportional to 927,148,045,305.40, 1,390,722,067,958.10 and 674,423,616,095.80 is: 1,011,635,424,143.70
Step by Step Solution
- Step 1: Write the proportion equation
927,148,045,305.40 : 1,390,722,067,958.10 = 674,423,616,095.80 : x - Step 2: Convert to fraction form
927,148,045,305.40/1,390,722,067,958.10 = 674,423,616,095.80/x - Step 3: Cross multiply
927,148,045,305.40x = 1,390,722,067,958.10 × 674,423,616,095.80 - Step 4: Simplify right side
927,148,045,305.40x = 937,935,806,056,530,781,929,472 - Step 5: Solve for x
x = 937,935,806,056,530,781,929,472/927,148,045,305.40 - Step 6: Final answer
x = 1,011,635,424,143.70
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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.