Finding the Fourth Proportional to 1,608,713,604.40, 2,414,264,800.20 and 640,060,394.80
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Solution
The fourth proportional to 1,608,713,604.40, 2,414,264,800.20 and 640,060,394.80 is: 960,565,806.70
Step by Step Solution
- Step 1: Write the proportion equation
1,608,713,604.40 : 2,414,264,800.20 = 640,060,394.80 : x - Step 2: Convert to fraction form
1,608,713,604.40/2,414,264,800.20 = 640,060,394.80/x - Step 3: Cross multiply
1,608,713,604.40x = 2,414,264,800.20 × 640,060,394.80 - Step 4: Simplify right side
1,608,713,604.40x = 1,545,275,281,167,755,008 - Step 5: Solve for x
x = 1,545,275,281,167,755,008/1,608,713,604.40 - Step 6: Final answer
x = 960,565,806.70
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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.