Finding the Fourth Proportional to 397,185,905.80, 595,778,858.70 and 109,971,569.80
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Solution
The fourth proportional to 397,185,905.80, 595,778,858.70 and 109,971,569.80 is: 164,957,354.70
Step by Step Solution
- Step 1: Write the proportion equation
397,185,905.80 : 595,778,858.70 = 109,971,569.80 : x - Step 2: Convert to fraction form
397,185,905.80/595,778,858.70 = 109,971,569.80/x - Step 3: Cross multiply
397,185,905.80x = 595,778,858.70 × 109,971,569.80 - Step 4: Simplify right side
397,185,905.80x = 65,518,736,344,891,392 - Step 5: Solve for x
x = 65,518,736,344,891,392/397,185,905.80 - Step 6: Final answer
x = 164,957,354.70
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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.