Finding the Fourth Proportional to 455,063,607.99, 627,983,308.22 and 246,215,168.19
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Solution
The fourth proportional to 455,063,607.99, 627,983,308.22 and 246,215,168.19 is: 339,774,513.14
Step by Step Solution
- Step 1: Write the proportion equation
455,063,607.99 : 627,983,308.22 = 246,215,168.19 : x - Step 2: Convert to fraction form
455,063,607.99/627,983,308.22 = 246,215,168.19/x - Step 3: Cross multiply
455,063,607.99x = 627,983,308.22 × 246,215,168.19 - Step 4: Simplify right side
455,063,607.99x = 154,619,015,852,668,832 - Step 5: Solve for x
x = 154,619,015,852,668,832/455,063,607.99 - Step 6: Final answer
x = 339,774,513.14
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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.