Finding the Fourth Proportional to 324,309,567.08, 487,240,418.62 and 207,952,892.08
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Solution
The fourth proportional to 324,309,567.08, 487,240,418.62 and 207,952,892.08 is: 312,426,966.32
Step by Step Solution
- Step 1: Write the proportion equation
324,309,567.08 : 487,240,418.62 = 207,952,892.08 : x - Step 2: Convert to fraction form
324,309,567.08/487,240,418.62 = 207,952,892.08/x - Step 3: Cross multiply
324,309,567.08x = 487,240,418.62 × 207,952,892.08 - Step 4: Simplify right side
324,309,567.08x = 101,323,054,190,638,656 - Step 5: Solve for x
x = 101,323,054,190,638,656/324,309,567.08 - Step 6: Final answer
x = 312,426,966.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.