Finding the Fourth Proportional to 537,876,037.20, 742,611,650.02 and 438,992,655.62
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Solution
The fourth proportional to 537,876,037.20, 742,611,650.02 and 438,992,655.62 is: 606,089,577.88
Step by Step Solution
- Step 1: Write the proportion equation
537,876,037.20 : 742,611,650.02 = 438,992,655.62 : x - Step 2: Convert to fraction form
537,876,037.20/742,611,650.02 = 438,992,655.62/x - Step 3: Cross multiply
537,876,037.20x = 742,611,650.02 × 438,992,655.62 - Step 4: Simplify right side
537,876,037.20x = 326,001,060,336,629,824 - Step 5: Solve for x
x = 326,001,060,336,629,824/537,876,037.20 - Step 6: Final answer
x = 606,089,577.88
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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.