Finding the Fourth Proportional to 1,422,517,809.36, 2,133,764,743.88 and 1,111,886,706.68
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Solution
The fourth proportional to 1,422,517,809.36, 2,133,764,743.88 and 1,111,886,706.68 is: 1,667,820,703.75
Step by Step Solution
- Step 1: Write the proportion equation
1,422,517,809.36 : 2,133,764,743.88 = 1,111,886,706.68 : x - Step 2: Convert to fraction form
1,422,517,809.36/2,133,764,743.88 = 1,111,886,706.68/x - Step 3: Cross multiply
1,422,517,809.36x = 2,133,764,743.88 × 1,111,886,706.68 - Step 4: Simplify right side
1,422,517,809.36x = 2,372,504,653,902,627,328 - Step 5: Solve for x
x = 2,372,504,653,902,627,328/1,422,517,809.36 - Step 6: Final answer
x = 1,667,820,703.75
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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.