Finding the Fourth Proportional to 299,575,686.29, 413,378,643.04 and 165,595,503.97
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Solution
The fourth proportional to 299,575,686.29, 413,378,643.04 and 165,595,503.97 is: 228,502,004.20
Step by Step Solution
- Step 1: Write the proportion equation
299,575,686.29 : 413,378,643.04 = 165,595,503.97 : x - Step 2: Convert to fraction form
299,575,686.29/413,378,643.04 = 165,595,503.97/x - Step 3: Cross multiply
299,575,686.29x = 413,378,643.04 × 165,595,503.97 - Step 4: Simplify right side
299,575,686.29x = 68,453,644,724,746,272 - Step 5: Solve for x
x = 68,453,644,724,746,272/299,575,686.29 - Step 6: Final answer
x = 228,502,004.20
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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.