Finding the Fourth Proportional to 455,063,623.74, 627,983,329.95 and 246,215,183.94
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Solution
The fourth proportional to 455,063,623.74, 627,983,329.95 and 246,215,183.94 is: 339,774,534.88
Step by Step Solution
- Step 1: Write the proportion equation
455,063,623.74 : 627,983,329.95 = 246,215,183.94 : x - Step 2: Convert to fraction form
455,063,623.74/627,983,329.95 = 246,215,183.94/x - Step 3: Cross multiply
455,063,623.74x = 627,983,329.95 × 246,215,183.94 - Step 4: Simplify right side
455,063,623.74x = 154,619,031,094,892,960 - Step 5: Solve for x
x = 154,619,031,094,892,960/455,063,623.74 - Step 6: Final answer
x = 339,774,534.88
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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.