Finding the Fourth Proportional to 402,415,497.80, 603,623,246.70 and 402,415,497.80
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Solution
The fourth proportional to 402,415,497.80, 603,623,246.70 and 402,415,497.80 is: 603,623,246.70
Step by Step Solution
- Step 1: Write the proportion equation
402,415,497.80 : 603,623,246.70 = 402,415,497.80 : x - Step 2: Convert to fraction form
402,415,497.80/603,623,246.70 = 402,415,497.80/x - Step 3: Cross multiply
402,415,497.80x = 603,623,246.70 × 402,415,497.80 - Step 4: Simplify right side
402,415,497.80x = 242,907,349,304,432,736 - Step 5: Solve for x
x = 242,907,349,304,432,736/402,415,497.80 - Step 6: Final answer
x = 603,623,246.70
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1.5x scale
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.