Finding the Fourth Proportional to 459,884,509.88, 634,647,316.42 and 261,641,737.95
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Solution
The fourth proportional to 459,884,509.88, 634,647,316.42 and 261,641,737.95 is: 361,069,406.09
Step by Step Solution
- Step 1: Write the proportion equation
459,884,509.88 : 634,647,316.42 = 261,641,737.95 : x - Step 2: Convert to fraction form
459,884,509.88/634,647,316.42 = 261,641,737.95/x - Step 3: Cross multiply
459,884,509.88x = 634,647,316.42 × 261,641,737.95 - Step 4: Simplify right side
459,884,509.88x = 166,050,226,851,379,488 - Step 5: Solve for x
x = 166,050,226,851,379,488/459,884,509.88 - Step 6: Final answer
x = 361,069,406.09
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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.