Finding the Fourth Proportional to 455,118,393.80, 628,064,475.19 and 246,276,777.44
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Solution
The fourth proportional to 455,118,393.80, 628,064,475.19 and 246,276,777.44 is: 339,862,543.64
Step by Step Solution
- Step 1: Write the proportion equation
455,118,393.80 : 628,064,475.19 = 246,276,777.44 : x - Step 2: Convert to fraction form
455,118,393.80/628,064,475.19 = 246,276,777.44/x - Step 3: Cross multiply
455,118,393.80x = 628,064,475.19 × 246,276,777.44 - Step 4: Simplify right side
455,118,393.80x = 154,677,694,974,338,048 - Step 5: Solve for x
x = 154,677,694,974,338,048/455,118,393.80 - Step 6: Final answer
x = 339,862,543.64
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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.