Finding the Fourth Proportional to 725,351,468.09, 1,088,026,537.46 and 227,365,564.78
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Solution
The fourth proportional to 725,351,468.09, 1,088,026,537.46 and 227,365,564.78 is: 341,048,138.82
Step by Step Solution
- Step 1: Write the proportion equation
725,351,468.09 : 1,088,026,537.46 = 227,365,564.78 : x - Step 2: Convert to fraction form
725,351,468.09/1,088,026,537.46 = 227,365,564.78/x - Step 3: Cross multiply
725,351,468.09x = 1,088,026,537.46 × 227,365,564.78 - Step 4: Simplify right side
725,351,468.09x = 247,379,768,181,363,808 - Step 5: Solve for x
x = 247,379,768,181,363,808/725,351,468.09 - Step 6: Final answer
x = 341,048,138.82
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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.