Finding the Fourth Proportional to 509,953,391.83, 763,346,670.57 and 276,203,539.99
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Solution
The fourth proportional to 509,953,391.83, 763,346,670.57 and 276,203,539.99 is: 413,447,691.55
Step by Step Solution
- Step 1: Write the proportion equation
509,953,391.83 : 763,346,670.57 = 276,203,539.99 : x - Step 2: Convert to fraction form
509,953,391.83/763,346,670.57 = 276,203,539.99/x - Step 3: Cross multiply
509,953,391.83x = 763,346,670.57 × 276,203,539.99 - Step 4: Simplify right side
509,953,391.83x = 210,839,052,649,633,344 - Step 5: Solve for x
x = 210,839,052,649,633,344/509,953,391.83 - Step 6: Final answer
x = 413,447,691.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.