Finding the Fourth Proportional to 927,148,045,324.90, 1,390,722,067,987.40 and 674,423,616,115.30
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Solution
The fourth proportional to 927,148,045,324.90, 1,390,722,067,987.40 and 674,423,616,115.30 is: 1,011,635,424,172.99
Step by Step Solution
- Step 1: Write the proportion equation
927,148,045,324.90 : 1,390,722,067,987.40 = 674,423,616,115.30 : x - Step 2: Convert to fraction form
927,148,045,324.90/1,390,722,067,987.40 = 674,423,616,115.30/x - Step 3: Cross multiply
927,148,045,324.90x = 1,390,722,067,987.40 × 674,423,616,115.30 - Step 4: Simplify right side
927,148,045,324.90x = 937,935,806,103,410,349,965,312 - Step 5: Solve for x
x = 937,935,806,103,410,349,965,312/927,148,045,324.90 - Step 6: Final answer
x = 1,011,635,424,172.99
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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.