Finding the Fourth Proportional to 751,257,399.99, 1,126,886,135.02 and 514,673,630.28
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Solution
The fourth proportional to 751,257,399.99, 1,126,886,135.02 and 514,673,630.28 is: 772,010,469.42
Step by Step Solution
- Step 1: Write the proportion equation
751,257,399.99 : 1,126,886,135.02 = 514,673,630.28 : x - Step 2: Convert to fraction form
751,257,399.99/1,126,886,135.02 = 514,673,630.28/x - Step 3: Cross multiply
751,257,399.99x = 1,126,886,135.02 × 514,673,630.28 - Step 4: Simplify right side
751,257,399.99x = 579,978,578,026,319,616 - Step 5: Solve for x
x = 579,978,578,026,319,616/751,257,399.99 - Step 6: Final answer
x = 772,010,469.42
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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.