Finding the Fourth Proportional to 324,489,347.51, 486,734,021.28 and 78,844,720.19
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Solution
The fourth proportional to 324,489,347.51, 486,734,021.28 and 78,844,720.19 is: 118,267,080.28
Step by Step Solution
- Step 1: Write the proportion equation
324,489,347.51 : 486,734,021.28 = 78,844,720.19 : x - Step 2: Convert to fraction form
324,489,347.51/486,734,021.28 = 78,844,720.19/x - Step 3: Cross multiply
324,489,347.51x = 486,734,021.28 × 78,844,720.19 - Step 4: Simplify right side
324,489,347.51x = 38,376,407,712,341,432 - Step 5: Solve for x
x = 38,376,407,712,341,432/324,489,347.51 - Step 6: Final answer
x = 118,267,080.28
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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.