Finding the Fourth Proportional to 434,352,712.77, 599,402,485.23 and 236,102,412.09
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Solution
The fourth proportional to 434,352,712.77, 599,402,485.23 and 236,102,412.09 is: 325,819,013.94
Step by Step Solution
- Step 1: Write the proportion equation
434,352,712.77 : 599,402,485.23 = 236,102,412.09 : x - Step 2: Convert to fraction form
434,352,712.77/599,402,485.23 = 236,102,412.09/x - Step 3: Cross multiply
434,352,712.77x = 599,402,485.23 × 236,102,412.09 - Step 4: Simplify right side
434,352,712.77x = 141,520,372,578,235,216 - Step 5: Solve for x
x = 141,520,372,578,235,216/434,352,712.77 - Step 6: Final answer
x = 325,819,013.94
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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.