Finding the Fourth Proportional to 406,009,681.92, 560,278,349.76 and 220,366,740.96
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Solution
The fourth proportional to 406,009,681.92, 560,278,349.76 and 220,366,740.96 is: 304,097,954.96
Step by Step Solution
- Step 1: Write the proportion equation
406,009,681.92 : 560,278,349.76 = 220,366,740.96 : x - Step 2: Convert to fraction form
406,009,681.92/560,278,349.76 = 220,366,740.96/x - Step 3: Cross multiply
406,009,681.92x = 560,278,349.76 × 220,366,740.96 - Step 4: Simplify right side
406,009,681.92x = 123,466,713,967,058,208 - Step 5: Solve for x
x = 123,466,713,967,058,208/406,009,681.92 - Step 6: Final answer
x = 304,097,954.96
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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.