Finding the Fourth Proportional to 1,030,796,768.48, 1,422,487,583.06 and 560,889,993.26
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Solution
The fourth proportional to 1,030,796,768.48, 1,422,487,583.06 and 560,889,993.26 is: 774,021,684.27
Step by Step Solution
- Step 1: Write the proportion equation
1,030,796,768.48 : 1,422,487,583.06 = 560,889,993.26 : x - Step 2: Convert to fraction form
1,030,796,768.48/1,422,487,583.06 = 560,889,993.26/x - Step 3: Cross multiply
1,030,796,768.48x = 1,422,487,583.06 × 560,889,993.26 - Step 4: Simplify right side
1,030,796,768.48x = 797,859,050,874,957,056 - Step 5: Solve for x
x = 797,859,050,874,957,056/1,030,796,768.48 - Step 6: Final answer
x = 774,021,684.27
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1.5x scale
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.