Finding the Fourth Proportional to 308,881,801.28, 426,283,174.14 and 174,943,544.12
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Solution
The fourth proportional to 308,881,801.28, 426,283,174.14 and 174,943,544.12 is: 241,436,980.02
Step by Step Solution
- Step 1: Write the proportion equation
308,881,801.28 : 426,283,174.14 = 174,943,544.12 : x - Step 2: Convert to fraction form
308,881,801.28/426,283,174.14 = 174,943,544.12/x - Step 3: Cross multiply
308,881,801.28x = 426,283,174.14 × 174,943,544.12 - Step 4: Simplify right side
308,881,801.28x = 74,575,489,282,774,736 - Step 5: Solve for x
x = 74,575,489,282,774,736/308,881,801.28 - Step 6: Final answer
x = 241,436,980.02
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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.