Finding the Fourth Proportional to 575,346,634.80, 793,930,347 and 324,436,965.36
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Solution
The fourth proportional to 575,346,634.80, 793,930,347 and 324,436,965.36 is: 447,695,939.99
Step by Step Solution
- Step 1: Write the proportion equation
575,346,634.80 : 793,930,347 = 324,436,965.36 : x - Step 2: Convert to fraction form
575,346,634.80/793,930,347 = 324,436,965.36/x - Step 3: Cross multiply
575,346,634.80x = 793,930,347 × 324,436,965.36 - Step 4: Simplify right side
575,346,634.80x = 257,580,352,487,891,776 - Step 5: Solve for x
x = 257,580,352,487,891,776/575,346,634.80 - Step 6: Final answer
x = 447,695,939.99
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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.