Finding the Fourth Proportional to 6,481,803,389.65, 8,944,897,754.20 and 3,511,579,640.65
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Solution
The fourth proportional to 6,481,803,389.65, 8,944,897,754.20 and 3,511,579,640.65 is: 4,845,984,821.37
Step by Step Solution
- Step 1: Write the proportion equation
6,481,803,389.65 : 8,944,897,754.20 = 3,511,579,640.65 : x - Step 2: Convert to fraction form
6,481,803,389.65/8,944,897,754.20 = 3,511,579,640.65/x - Step 3: Cross multiply
6,481,803,389.65x = 8,944,897,754.20 × 3,511,579,640.65 - Step 4: Simplify right side
6,481,803,389.65x = 31,410,720,841,344,630,784 - Step 5: Solve for x
x = 31,410,720,841,344,630,784/6,481,803,389.65 - Step 6: Final answer
x = 4,845,984,821.37
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1.5x scale
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.