Finding the Fourth Proportional to 1,608,713,542.40, 2,414,264,707.20 and 640,060,332.80
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Solution
The fourth proportional to 1,608,713,542.40, 2,414,264,707.20 and 640,060,332.80 is: 960,565,713.68
Step by Step Solution
- Step 1: Write the proportion equation
1,608,713,542.40 : 2,414,264,707.20 = 640,060,332.80 : x - Step 2: Convert to fraction form
1,608,713,542.40/2,414,264,707.20 = 640,060,332.80/x - Step 3: Cross multiply
1,608,713,542.40x = 2,414,264,707.20 × 640,060,332.80 - Step 4: Simplify right side
1,608,713,542.40x = 1,545,275,071,957,726,208 - Step 5: Solve for x
x = 1,545,275,071,957,726,208/1,608,713,542.40 - Step 6: Final answer
x = 960,565,713.68
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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.