Finding the Fourth Proportional to 1,456,221,664.80, 2,184,332,497.20 and 966,445,639.20
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Solution
The fourth proportional to 1,456,221,664.80, 2,184,332,497.20 and 966,445,639.20 is: 1,449,668,458.80
Step by Step Solution
- Step 1: Write the proportion equation
1,456,221,664.80 : 2,184,332,497.20 = 966,445,639.20 : x - Step 2: Convert to fraction form
1,456,221,664.80/2,184,332,497.20 = 966,445,639.20/x - Step 3: Cross multiply
1,456,221,664.80x = 2,184,332,497.20 × 966,445,639.20 - Step 4: Simplify right side
1,456,221,664.80x = 2,111,038,616,481,786,112 - Step 5: Solve for x
x = 2,111,038,616,481,786,112/1,456,221,664.80 - Step 6: Final answer
x = 1,449,668,458.80
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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.