Finding the Fourth Proportional to 455,771,749.98, 628,964,163.99 and 246,933,083.10
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Solution
The fourth proportional to 455,771,749.98, 628,964,163.99 and 246,933,083.10 is: 340,767,193.62
Step by Step Solution
- Step 1: Write the proportion equation
455,771,749.98 : 628,964,163.99 = 246,933,083.10 : x - Step 2: Convert to fraction form
455,771,749.98/628,964,163.99 = 246,933,083.10/x - Step 3: Cross multiply
455,771,749.98x = 628,964,163.99 × 246,933,083.10 - Step 4: Simplify right side
455,771,749.98x = 155,312,060,173,464,704 - Step 5: Solve for x
x = 155,312,060,173,464,704/455,771,749.98 - Step 6: Final answer
x = 340,767,193.62
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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.