Finding the Fourth Proportional to 1,601,471,569.80, 2,402,207,354.70 and 986,060,267.40
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Solution
The fourth proportional to 1,601,471,569.80, 2,402,207,354.70 and 986,060,267.40 is: 1,479,090,401.10
Step by Step Solution
- Step 1: Write the proportion equation
1,601,471,569.80 : 2,402,207,354.70 = 986,060,267.40 : x - Step 2: Convert to fraction form
1,601,471,569.80/2,402,207,354.70 = 986,060,267.40/x - Step 3: Cross multiply
1,601,471,569.80x = 2,402,207,354.70 × 986,060,267.40 - Step 4: Simplify right side
1,601,471,569.80x = 2,368,721,226,525,728,256 - Step 5: Solve for x
x = 2,368,721,226,525,728,256/1,601,471,569.80 - Step 6: Final answer
x = 1,479,090,401.10
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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.