Finding the Fourth Proportional to 399,450,726.60, 551,259,027 and 223,238,716.94
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Solution
The fourth proportional to 399,450,726.60, 551,259,027 and 223,238,716.94 is: 308,078,943.65
Step by Step Solution
- Step 1: Write the proportion equation
399,450,726.60 : 551,259,027 = 223,238,716.94 : x - Step 2: Convert to fraction form
399,450,726.60/551,259,027 = 223,238,716.94/x - Step 3: Cross multiply
399,450,726.60x = 551,259,027 × 223,238,716.94 - Step 4: Simplify right side
399,450,726.60x = 123,062,357,890,450,960 - Step 5: Solve for x
x = 123,062,357,890,450,960/399,450,726.60 - Step 6: Final answer
x = 308,078,943.65
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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.