Finding the Fourth Proportional to 455,771,652.48, 628,964,029.44 and 246,932,985.60
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Solution
The fourth proportional to 455,771,652.48, 628,964,029.44 and 246,932,985.60 is: 340,767,059.07
Step by Step Solution
- Step 1: Write the proportion equation
455,771,652.48 : 628,964,029.44 = 246,932,985.60 : x - Step 2: Convert to fraction form
455,771,652.48/628,964,029.44 = 246,932,985.60/x - Step 3: Cross multiply
455,771,652.48x = 628,964,029.44 × 246,932,985.60 - Step 4: Simplify right side
455,771,652.48x = 155,311,965,624,625,504 - Step 5: Solve for x
x = 155,311,965,624,625,504/455,771,652.48 - Step 6: Final answer
x = 340,767,059.07
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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.