Finding the Fourth Proportional to 1,004,738,239.67, 1,386,539,920.24 and 558,692,026.14
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Solution
The fourth proportional to 1,004,738,239.67, 1,386,539,920.24 and 558,692,026.14 is: 770,995,635.26
Step by Step Solution
- Step 1: Write the proportion equation
1,004,738,239.67 : 1,386,539,920.24 = 558,692,026.14 : x - Step 2: Convert to fraction form
1,004,738,239.67/1,386,539,920.24 = 558,692,026.14/x - Step 3: Cross multiply
1,004,738,239.67x = 1,386,539,920.24 × 558,692,026.14 - Step 4: Simplify right side
1,004,738,239.67x = 774,648,797,362,879,616 - Step 5: Solve for x
x = 774,648,797,362,879,616/1,004,738,239.67 - Step 6: Final answer
x = 770,995,635.26
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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.