Finding the Fourth Proportional to 4,621,045,643.63, 6,929,273,198.35 and 1,472,850,607.49
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Solution
The fourth proportional to 4,621,045,643.63, 6,929,273,198.35 and 1,472,850,607.49 is: 2,208,544,348.34
Step by Step Solution
- Step 1: Write the proportion equation
4,621,045,643.63 : 6,929,273,198.35 = 1,472,850,607.49 : x - Step 2: Convert to fraction form
4,621,045,643.63/6,929,273,198.35 = 1,472,850,607.49/x - Step 3: Cross multiply
4,621,045,643.63x = 6,929,273,198.35 × 1,472,850,607.49 - Step 4: Simplify right side
4,621,045,643.63x = 10,205,784,239,677,140,992 - Step 5: Solve for x
x = 10,205,784,239,677,140,992/4,621,045,643.63 - Step 6: Final answer
x = 2,208,544,348.34
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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.