Finding the Fourth Proportional to 551,376,819.97, 760,877,858.41 and 300,475,883.95
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Solution
The fourth proportional to 551,376,819.97, 760,877,858.41 and 300,475,883.95 is: 414,644,647.37
Step by Step Solution
- Step 1: Write the proportion equation
551,376,819.97 : 760,877,858.41 = 300,475,883.95 : x - Step 2: Convert to fraction form
551,376,819.97/760,877,858.41 = 300,475,883.95/x - Step 3: Cross multiply
551,376,819.97x = 760,877,858.41 × 300,475,883.95 - Step 4: Simplify right side
551,376,819.97x = 228,625,447,083,727,680 - Step 5: Solve for x
x = 228,625,447,083,727,680/551,376,819.97 - Step 6: Final answer
x = 414,644,647.37
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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.