Finding the Fourth Proportional to 6,218,076,681.63, 8,579,986,952.67 and 3,541,515,644
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Solution
The fourth proportional to 6,218,076,681.63, 8,579,986,952.67 and 3,541,515,644 is: 4,886,745,463.91
Step by Step Solution
- Step 1: Write the proportion equation
6,218,076,681.63 : 8,579,986,952.67 = 3,541,515,644 : x - Step 2: Convert to fraction form
6,218,076,681.63/8,579,986,952.67 = 3,541,515,644/x - Step 3: Cross multiply
6,218,076,681.63x = 8,579,986,952.67 × 3,541,515,644 - Step 4: Simplify right side
6,218,076,681.63x = 30,386,158,018,196,692,992 - Step 5: Solve for x
x = 30,386,158,018,196,692,992/6,218,076,681.63 - Step 6: Final answer
x = 4,886,745,463.91
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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.