Finding the Fourth Proportional to 409,698,902.80, 614,548,354.20 and 362,347,509.70
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Solution
The fourth proportional to 409,698,902.80, 614,548,354.20 and 362,347,509.70 is: 543,521,264.55
Step by Step Solution
- Step 1: Write the proportion equation
409,698,902.80 : 614,548,354.20 = 362,347,509.70 : x - Step 2: Convert to fraction form
409,698,902.80/614,548,354.20 = 362,347,509.70/x - Step 3: Cross multiply
409,698,902.80x = 614,548,354.20 × 362,347,509.70 - Step 4: Simplify right side
409,698,902.80x = 222,680,065,734,603,552 - Step 5: Solve for x
x = 222,680,065,734,603,552/409,698,902.80 - Step 6: Final answer
x = 543,521,264.55
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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.