Finding the Fourth Proportional to 715,806,157.05, 1,073,749,564.62 and 217,832,866.81
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Solution
The fourth proportional to 715,806,157.05, 1,073,749,564.62 and 217,832,866.81 is: 326,761,573.07
Step by Step Solution
- Step 1: Write the proportion equation
715,806,157.05 : 1,073,749,564.62 = 217,832,866.81 : x - Step 2: Convert to fraction form
715,806,157.05/1,073,749,564.62 = 217,832,866.81/x - Step 3: Cross multiply
715,806,157.05x = 1,073,749,564.62 × 217,832,866.81 - Step 4: Simplify right side
715,806,157.05x = 233,897,945,891,250,656 - Step 5: Solve for x
x = 233,897,945,891,250,656/715,806,157.05 - Step 6: Final answer
x = 326,761,573.07
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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.