Finding the Fourth Proportional to 408,823,985.97, 564,174,230.63 and 223,185,001.68
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Solution
The fourth proportional to 408,823,985.97, 564,174,230.63 and 223,185,001.68 is: 307,993,735.52
Step by Step Solution
- Step 1: Write the proportion equation
408,823,985.97 : 564,174,230.63 = 223,185,001.68 : x - Step 2: Convert to fraction form
408,823,985.97/564,174,230.63 = 223,185,001.68/x - Step 3: Cross multiply
408,823,985.97x = 564,174,230.63 × 223,185,001.68 - Step 4: Simplify right side
408,823,985.97x = 125,915,226,609,853,344 - Step 5: Solve for x
x = 125,915,226,609,853,344/408,823,985.97 - Step 6: Final answer
x = 307,993,735.52
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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.