Finding the Fourth Proportional to 653,953,112.19, 902,448,706.86 and 356,594,602.68
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Solution
The fourth proportional to 653,953,112.19, 902,448,706.86 and 356,594,602.68 is: 492,096,959.34
Step by Step Solution
- Step 1: Write the proportion equation
653,953,112.19 : 902,448,706.86 = 356,594,602.68 : x - Step 2: Convert to fraction form
653,953,112.19/902,448,706.86 = 356,594,602.68/x - Step 3: Cross multiply
653,953,112.19x = 902,448,706.86 × 356,594,602.68 - Step 4: Simplify right side
653,953,112.19x = 321,808,338,061,821,504 - Step 5: Solve for x
x = 321,808,338,061,821,504/653,953,112.19 - Step 6: Final answer
x = 492,096,959.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.