Finding the Fourth Proportional to 4,901,067,762.70, 7,351,601,644.05 and 1,220,573,117.20
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Solution
The fourth proportional to 4,901,067,762.70, 7,351,601,644.05 and 1,220,573,117.20 is: 1,830,859,675.80
Step by Step Solution
- Step 1: Write the proportion equation
4,901,067,762.70 : 7,351,601,644.05 = 1,220,573,117.20 : x - Step 2: Convert to fraction form
4,901,067,762.70/7,351,601,644.05 = 1,220,573,117.20/x - Step 3: Cross multiply
4,901,067,762.70x = 7,351,601,644.05 × 1,220,573,117.20 - Step 4: Simplify right side
4,901,067,762.70x = 8,973,167,335,090,753,536 - Step 5: Solve for x
x = 8,973,167,335,090,753,536/4,901,067,762.70 - Step 6: Final answer
x = 1,830,859,675.80
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1.5x scale
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.