Finding the Fourth Proportional to 1,601,471,556.30, 2,402,207,334.45 and 986,060,253.90
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Solution
The fourth proportional to 1,601,471,556.30, 2,402,207,334.45 and 986,060,253.90 is: 1,479,090,380.85
Step by Step Solution
- Step 1: Write the proportion equation
1,601,471,556.30 : 2,402,207,334.45 = 986,060,253.90 : x - Step 2: Convert to fraction form
1,601,471,556.30/2,402,207,334.45 = 986,060,253.90/x - Step 3: Cross multiply
1,601,471,556.30x = 2,402,207,334.45 × 986,060,253.90 - Step 4: Simplify right side
1,601,471,556.30x = 2,368,721,174,128,208,896 - Step 5: Solve for x
x = 2,368,721,174,128,208,896/1,601,471,556.30 - Step 6: Final answer
x = 1,479,090,380.85
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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.