Finding the Fourth Proportional to 647,227,148.52, 971,531,586.36 and 278,943,852.36
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Solution
The fourth proportional to 647,227,148.52, 971,531,586.36 and 278,943,852.36 is: 418,713,528.95
Step by Step Solution
- Step 1: Write the proportion equation
647,227,148.52 : 971,531,586.36 = 278,943,852.36 : x - Step 2: Convert to fraction form
647,227,148.52/971,531,586.36 = 278,943,852.36/x - Step 3: Cross multiply
647,227,148.52x = 971,531,586.36 × 278,943,852.36 - Step 4: Simplify right side
647,227,148.52x = 271,002,763,388,680,448 - Step 5: Solve for x
x = 271,002,763,388,680,448/647,227,148.52 - Step 6: Final answer
x = 418,713,528.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.