Finding the Fourth Proportional to 409,698,899.80, 614,548,349.70 and 362,347,506.70
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Solution
The fourth proportional to 409,698,899.80, 614,548,349.70 and 362,347,506.70 is: 543,521,260.05
Step by Step Solution
- Step 1: Write the proportion equation
409,698,899.80 : 614,548,349.70 = 362,347,506.70 : x - Step 2: Convert to fraction form
409,698,899.80/614,548,349.70 = 362,347,506.70/x - Step 3: Cross multiply
409,698,899.80x = 614,548,349.70 × 362,347,506.70 - Step 4: Simplify right side
409,698,899.80x = 222,680,062,260,394,688 - Step 5: Solve for x
x = 222,680,062,260,394,688/409,698,899.80 - Step 6: Final answer
x = 543,521,260.05
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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.