Finding the Fourth Proportional to 369,779,188.14, 510,295,458.53 and 202,525,968.03
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Solution
The fourth proportional to 369,779,188.14, 510,295,458.53 and 202,525,968.03 is: 279,485,933.86
Step by Step Solution
- Step 1: Write the proportion equation
369,779,188.14 : 510,295,458.53 = 202,525,968.03 : x - Step 2: Convert to fraction form
369,779,188.14/510,295,458.53 = 202,525,968.03/x - Step 3: Cross multiply
369,779,188.14x = 510,295,458.53 × 202,525,968.03 - Step 4: Simplify right side
369,779,188.14x = 103,348,081,720,217,264 - Step 5: Solve for x
x = 103,348,081,720,217,264/369,779,188.14 - Step 6: Final answer
x = 279,485,933.86
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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.