Finding the Fourth Proportional to 306,344,813.97, 457,127,908.71 and 273,328,419.18
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Solution
The fourth proportional to 306,344,813.97, 457,127,908.71 and 273,328,419.18 is: 407,860,825.30
Step by Step Solution
- Step 1: Write the proportion equation
306,344,813.97 : 457,127,908.71 = 273,328,419.18 : x - Step 2: Convert to fraction form
306,344,813.97/457,127,908.71 = 273,328,419.18/x - Step 3: Cross multiply
306,344,813.97x = 457,127,908.71 × 273,328,419.18 - Step 4: Simplify right side
306,344,813.97x = 124,946,048,650,763,648 - Step 5: Solve for x
x = 124,946,048,650,763,648/306,344,813.97 - Step 6: Final answer
x = 407,860,825.30
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.