Finding the Fourth Proportional to 456,511,953.76, 629,987,704.32 and 247,668,089.92
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Solution
The fourth proportional to 456,511,953.76, 629,987,704.32 and 247,668,089.92 is: 341,782,619.53
Step by Step Solution
- Step 1: Write the proportion equation
456,511,953.76 : 629,987,704.32 = 247,668,089.92 : x - Step 2: Convert to fraction form
456,511,953.76/629,987,704.32 = 247,668,089.92/x - Step 3: Cross multiply
456,511,953.76x = 629,987,704.32 × 247,668,089.92 - Step 4: Simplify right side
456,511,953.76x = 156,027,851,402,020,128 - Step 5: Solve for x
x = 156,027,851,402,020,128/456,511,953.76 - Step 6: Final answer
x = 341,782,619.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.