Finding the Fourth Proportional to 438,322,113.99, 604,877,040.96 and 237,377,356.11
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Solution
The fourth proportional to 438,322,113.99, 604,877,040.96 and 237,377,356.11 is: 327,576,702.55
Step by Step Solution
- Step 1: Write the proportion equation
438,322,113.99 : 604,877,040.96 = 237,377,356.11 : x - Step 2: Convert to fraction form
438,322,113.99/604,877,040.96 = 237,377,356.11/x - Step 3: Cross multiply
438,322,113.99x = 604,877,040.96 × 237,377,356.11 - Step 4: Simplify right side
438,322,113.99x = 143,584,112,754,724,992 - Step 5: Solve for x
x = 143,584,112,754,724,992/438,322,113.99 - Step 6: Final answer
x = 327,576,702.55
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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.