Finding the Fourth Proportional to 1,006,806,832.14, 1,389,463,258.68 and 610,346,531.73
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Solution
The fourth proportional to 1,006,806,832.14, 1,389,463,258.68 and 610,346,531.73 is: 842,320,546.33
Step by Step Solution
- Step 1: Write the proportion equation
1,006,806,832.14 : 1,389,463,258.68 = 610,346,531.73 : x - Step 2: Convert to fraction form
1,006,806,832.14/1,389,463,258.68 = 610,346,531.73/x - Step 3: Cross multiply
1,006,806,832.14x = 1,389,463,258.68 × 610,346,531.73 - Step 4: Simplify right side
1,006,806,832.14x = 848,054,080,901,601,920 - Step 5: Solve for x
x = 848,054,080,901,601,920/1,006,806,832.14 - Step 6: Final answer
x = 842,320,546.33
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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.