Finding the Fourth Proportional to 717,456,331.60, 1,076,184,497.40 and 656,234,328.40
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Solution
The fourth proportional to 717,456,331.60, 1,076,184,497.40 and 656,234,328.40 is: 984,351,492.60
Step by Step Solution
- Step 1: Write the proportion equation
717,456,331.60 : 1,076,184,497.40 = 656,234,328.40 : x - Step 2: Convert to fraction form
717,456,331.60/1,076,184,497.40 = 656,234,328.40/x - Step 3: Cross multiply
717,456,331.60x = 1,076,184,497.40 × 656,234,328.40 - Step 4: Simplify right side
717,456,331.60x = 706,229,210,885,780,608 - Step 5: Solve for x
x = 706,229,210,885,780,608/717,456,331.60 - Step 6: Final answer
x = 984,351,492.60
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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.