Finding the Fourth Proportional to 286,860,294.80, 395,855,513.80 and 169,423,643.60
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Solution
The fourth proportional to 286,860,294.80, 395,855,513.80 and 169,423,643.60 is: 233,797,722.10
Step by Step Solution
- Step 1: Write the proportion equation
286,860,294.80 : 395,855,513.80 = 169,423,643.60 : x - Step 2: Convert to fraction form
286,860,294.80/395,855,513.80 = 169,423,643.60/x - Step 3: Cross multiply
286,860,294.80x = 395,855,513.80 × 169,423,643.60 - Step 4: Simplify right side
286,860,294.80x = 67,067,283,486,227,704 - Step 5: Solve for x
x = 67,067,283,486,227,704/286,860,294.80 - Step 6: Final answer
x = 233,797,722.10
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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.