Finding the Fourth Proportional to 1,601,471,566.80, 2,402,207,350.20 and 986,060,264.40
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Solution
The fourth proportional to 1,601,471,566.80, 2,402,207,350.20 and 986,060,264.40 is: 1,479,090,396.60
Step by Step Solution
- Step 1: Write the proportion equation
1,601,471,566.80 : 2,402,207,350.20 = 986,060,264.40 : x - Step 2: Convert to fraction form
1,601,471,566.80/2,402,207,350.20 = 986,060,264.40/x - Step 3: Cross multiply
1,601,471,566.80x = 2,402,207,350.20 × 986,060,264.40 - Step 4: Simplify right side
1,601,471,566.80x = 2,368,721,214,881,835,008 - Step 5: Solve for x
x = 2,368,721,214,881,835,008/1,601,471,566.80 - Step 6: Final answer
x = 1,479,090,396.60
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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.