Finding the Fourth Proportional to 486,464,350.62, 730,860,627.93 and 311,929,338.12
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Solution
The fourth proportional to 486,464,350.62, 730,860,627.93 and 311,929,338.12 is: 468,640,449.47
Step by Step Solution
- Step 1: Write the proportion equation
486,464,350.62 : 730,860,627.93 = 311,929,338.12 : x - Step 2: Convert to fraction form
486,464,350.62/730,860,627.93 = 311,929,338.12/x - Step 3: Cross multiply
486,464,350.62x = 730,860,627.93 × 311,929,338.12 - Step 4: Simplify right side
486,464,350.62x = 227,976,871,928,931,776 - Step 5: Solve for x
x = 227,976,871,928,931,776/486,464,350.62 - Step 6: Final answer
x = 468,640,449.47
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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.