Finding the Fourth Proportional to 3,492,474,657.25, 4,819,634,603.10 and 1,987,100,971.75
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Solution
The fourth proportional to 3,492,474,657.25, 4,819,634,603.10 and 1,987,100,971.75 is: 2,742,210,479.16
Step by Step Solution
- Step 1: Write the proportion equation
3,492,474,657.25 : 4,819,634,603.10 = 1,987,100,971.75 : x - Step 2: Convert to fraction form
3,492,474,657.25/4,819,634,603.10 = 1,987,100,971.75/x - Step 3: Cross multiply
3,492,474,657.25x = 4,819,634,603.10 × 1,987,100,971.75 - Step 4: Simplify right side
3,492,474,657.25x = 9,577,100,603,299,936,256 - Step 5: Solve for x
x = 9,577,100,603,299,936,256/3,492,474,657.25 - Step 6: Final answer
x = 2,742,210,479.16
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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.